CN105193761B - Bilayer tablet - Google Patents

Bilayer tablet Download PDF

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Publication number
CN105193761B
CN105193761B CN201510724956.0A CN201510724956A CN105193761B CN 105193761 B CN105193761 B CN 105193761B CN 201510724956 A CN201510724956 A CN 201510724956A CN 105193761 B CN105193761 B CN 105193761B
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dapagliflozin
magnesium stearate
silica
layer
crospovidone
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CN105193761A (en
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A.阿贝贝
K.马丁
J.M.帕特尔
D.德赛
P.蒂明斯
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AstraZeneca UK Ltd
AstraZeneca AB
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AstraZeneca UK Ltd
AstraZeneca AB
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    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/2072—Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
    • A61K9/2086—Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat
    • A61K9/209—Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat containing drug in at least two layers or in the core and in at least one outer layer
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Abstract

the present invention relates to a bilayer tablet comprising as a first layer a metformin extended release (XR) formulation or a reduced mass metformin XR formulation, as a second layer an SGLT2 inhibitor formulation and optionally a film coating. The present invention provides methods of making the bilayer tablets and methods of using the bilayer tablets to treat diseases or disorders associated with SGLT2 activity.

Description

Bilayer tablet
The application is a divisional application of Chinese invention patent application (the invention name is double-layer tablet, the application number is 201080061414.5; the application date is 11-12 2010).
Technical Field
The present invention relates to a bilayer tablet comprising as a first layer a metformin extended release (XR) formulation or a reduced mass metformin XR formulation, as a second layer a sodium dependent glucose transporter (SGLT2) inhibitor formulation and optionally a film coating. The present invention provides methods of making the bilayer tablets and methods of using the bilayer tablets to treat diseases or disorders associated with SGLT2 activity.
Background
Type II diabetes is the most common form of diabetes, accounting for 90% of the cases of diabetes. Over a hundred million people worldwide suffer from type II diabetes (about one seventy million in the united states) and the incidence is dramatically increasing in both developed and developing countries. Type II diabetes is a lifelong disease that usually begins in middle age or later in life, but can begin at any age. Patients with type II diabetes cannot respond properly to insulin, which, as a hormone, generally allows the body to convert blood glucose into energy or store it in cells for later use. A problem with type II diabetes is a state known as insulin resistance, in which the body produces normal or even higher amounts of insulin, but certain mechanisms render insulin unable to transfer glucose into the cells. Because the body cannot use insulin properly, the glucose in the blood rises to unsafe levels, a condition known as hyperglycemia.
Over time, persistent hyperglycemia leads to glucotoxicity, which worsens insulin resistance and contributes to pancreatic beta cell dysfunction. The extent of persistent hyperglycemia is directly related to diabetic microvascular complications and may also contribute to macrovascular complications. Hyperglycemia thus circulates the harmful effects that exacerbate the control and complications of type II diabetes.
It is now widely accepted that glycemic control varies among type II diabetic patients. The goal of current diabetes therapy is to achieve and maintain as close to normal blood glucose as possible to prevent long-term microvascular and macrovascular complications associated with elevated blood glucose. Oral therapeutic options for the treatment of type II diabetes include the following known compounds: sulfonylureas, biguanides (metformin), thiazolidinediones and alpha-glucosidase inhibitors. Each type of active agent is typically administered to a patient separately. However, when monotherapy becomes inappropriate, combination therapy is an attractive and reasonable course of action in terms of treating hyperglycemia despite the known side effects associated with sulfonylurea and thiazolidinone treatment, i.e. weight gain.
A new class of antidiabetic agents has recently been discovered, which are known as sodium-glucose transporter-2 (SGLT2) inhibitors. SGLT2 inhibitors prevent reabsorption of glucose into the blood via the kidneys. The kidney continues to filter glucose from the glomerulus into the bladder, however, almost all of the filtered glucose is reabsorbed. SGLT2 is a protein responsible for most of the glucose reabsorption and helps the body retain glucose to meet its energy needs. For patients with diabetes, the excess glucose retained by this pathway contributes to persistent hyperglycemia. Inhibition of SGLT2 activity inhibits renal glucose reabsorption in the body, thereby resulting in the excretion of glucose in the urine.
Accordingly, the present invention provides a bilayer tablet comprising metformin and an SGLT2 inhibitor for oral administration for the treatment of a disease or disorder associated with SGLT2 activity without the occurrence of weight gain associated with other treatments. The first layer of the bilayer tablet is a metformin extended release (XR) formulation or a reduced mass metformin XR formulation. The second layer is an SGLT2 inhibitor formulation. The metformin/SGLT 2 inhibitor bilayer tablet of the present invention provides a patient with an antidiabetic treatment which is convenient and effective in terms of controlling blood glucose levels.
Disclosure of Invention
The present invention provides a bilayer tablet comprising (1) a metformin XR formulation or a reduced mass metformin XR formulation as a first layer, (2) an SGLT2 inhibitor formulation as a second layer, and (3) optionally a film coating covering both layers. Metformin may be in the form of a pharmaceutically acceptable salt, with metformin hydrochloride (HCl) being preferred. Preferred SGLT2 inhibitors are dapagliflozin (dapagliflozin) or a pharmaceutically acceptable salt thereof, dapagliflozin (S) propylene glycol hydrate (1:1:1), or dapagliflozin (R) propylene glycol hydrate (1:1: 1). The most preferred SGLT2 inhibitor is dapagliflozin or dapagliflozin (S) propylene glycol hydrate (1:1: 1). The SGLT2 inhibitor formulation is an immediate release or extended release formulation, with an immediate release formulation being preferred.
The metformin XR layer (1000mg) comprises metformin, a binder, a release modifier (release modifier), a lubricant and optionally a glidant. A preferred binder is sodium carboxymethyl cellulose. Hydroxypropyl methylcellulose 2208 is a preferred release modifier. Magnesium stearate is a preferred lubricant and silicon dioxide or colloidal silicon dioxide is a preferred glidant. The SGLT2 inhibitor layer comprises an SGLT2 inhibitor, two or three fillers, a disintegrant, a glidant, and a lubricant. Preferred fillers are anhydrous lactose, microcrystalline cellulose 302, pregelatinized starch, and mannitol. The preferred disintegrant is crospovidone. Silicon dioxide is a preferred glidant and magnesium stearate is a preferred lubricant. Hydroxypropyl cellulose EXF is a preferred binder.
The metformin XR layer (500mg) comprises metformin, a binder, at least one release modifier, a filler, a lubricant and optionally a glidant. A preferred binder is sodium carboxymethyl cellulose. A preferred release modifier is a combination of hydroxypropyl methylcellulose 2208 and hydroxypropyl methylcellulose 2910. Microcrystalline cellulose is a preferred filler. Magnesium stearate is a preferred lubricant and silicon dioxide or colloidal silicon dioxide is a preferred glidant. The SGLT2 inhibitor layer comprises an SGLT2 inhibitor, two or three fillers, a disintegrant, a glidant, and a lubricant. Preferred fillers are anhydrous lactose, microcrystalline cellulose 302, pregelatinized starch, and mannitol. The preferred disintegrant is crospovidone. Silicon dioxide is a preferred glidant and magnesium stearate is a preferred lubricant. Hydroxypropyl cellulose EXF is a preferred binder.
In another aspect, the present invention provides a method of treating a disease or disorder associated with SGLT2 activity, the method comprising administering to a mammal in need of such treatment a therapeutically effective amount of a bilayer tablet comprising metformin XR or reduced mass metformin XR, an SGLT2 inhibitor and optionally a film coating. The bilayer tablets of the present invention can be administered to a mammal (preferably a human) to treat a variety of conditions and disorders associated with SGLT2 activity, including but not limited to treating or delaying the progression or onset of: diabetes (including type I and type II diabetes), impaired glucose tolerance, insulin resistance and diabetic complications such as nephropathy, retinopathy, neuropathy and cataracts, hyperglycemia, hyperinsulinemia, hypercholesterolemia, dyslipidemia, elevated blood levels of free fatty acids or glycerol, hyperlipidemia, hypertriglyceridemia, obesity, wound healing, tissue ischemia, atherosclerosis and hypertension. The formulations of the invention may also be used to increase the blood level of High Density Lipoproteins (HDL). Additionally, conditions, diseases and disorders collectively referred to as "syndrome X" or "metabolic syndrome" (see Johannsson, j.clin.endocrinol.meta., 82,727-34(1997)) can be treated using the formulations of the present invention.
In another aspect, the present invention provides a method of making a bilayer tablet comprising metformin XR or reduced mass metformin XR, an SGLT2 inhibitor and optionally a film coating.
The present application includes the following aspects
An item 1. a bilayer tablet comprising: (1) a first layer, wherein the first layer is a metformin extended release formulation; (2) a second layer, wherein the second layer is an SGLT2 inhibitor formulation; and (3) optionally a film coating covering the first and second layers.
Item 2 the bilayer tablet of item 1, wherein the SGLT2 inhibitor is canaglipizide, dapagliflozin (S) propylene glycol hydrate, or dapagliflozin (R) propylene glycol hydrate.
the bilayer tablet of item 3. item 1, wherein the total weight of the second layer is about 300mg to about 400 mg.
Item 4 the bilayer tablet of item 1 wherein (1) the first layer comprises metformin, a binder, a release modifier, a lubricant, and optionally a glidant; and (2) the second layer comprises dapagliflozin or dapagliflozin (S) propylene glycol hydrate, two or three fillers, a disintegrant, a glidant, and a lubricant.
The bilayer tablet of item 5 item 4, wherein (1) the metformin is metformin hydrochloride; the adhesive is sodium carboxymethyl cellulose; the release modifier is hydroxypropyl methyl cellulose; the lubricant is magnesium stearate; and the optional glidant is silicon dioxide or colloidal silicon dioxide; (2) the SGLT2 inhibitor is dapagliflozin or dapagliflozin (S) propylene glycol hydrate; the two or three fillers are selected from anhydrous lactose, microcrystalline cellulose, pregelatinized starch, mannitol, and hydroxypropyl cellulose; the disintegrant is crospovidone; the glidant is silicon dioxide; and the lubricant is magnesium stearate; (3) the optional film coating is
the bilayer tablet of item 6.5, wherein (1) the first layer comprises about 64-82% metformin hydrochloride, about 3-5% sodium carboxymethylcellulose; about 15-30% hydroxypropyl methylcellulose; about 0.1-0.75% magnesium stearate; and about 0-2% silica or 0-1.5% colloidal silica; (2) the second layer comprises about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 50-80% microcrystalline cellulose; about 0-20% pregelatinized starch; about 0-20% mannitol; about 0-15% hydroxypropyl cellulose; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-2% magnesium stearate; (3) the optional film coating is
The bilayer tablet of item 7. item 5, wherein (1) the first layer comprises about 67-71% metformin hydrochloride, about 3-5% sodium carboxymethyl cellulose, about 25-29% hydroxypropyl methylcellulose 2208, and about 0.1-0.75% magnesium stearate; and (2) the second layer is from about 300mg to about 400 mg.
The bilayer tablet of item 8 item 7, wherein the second layer comprises:
(A) About 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 72-80% microcrystalline cellulose 302; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate;
(B) about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 50-70% microcrystalline cellulose 302; about 10-22% pregelatinized starch; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate;
(C) About 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 60-70% microcrystalline cellulose 302; about 5-15% hydroxypropyl cellulose EXF; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate; or
(D) About 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 55-65% microcrystalline cellulose 302; about 10-20% mannitol; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate.
the bilayer tablet of item 9 item 8, wherein a film coating is present and the film coating is
The bilayer tablet of item 10.5, wherein (1) the first layer comprises about 69% metformin hydrochloride, about 3.5% sodium carboxymethyl cellulose, about 27% hydroxypropyl methylcellulose 2208, and about 0.48% magnesium stearate; and (2) the second layer is from about 300mg to about 400 mg.
The bilayer tablet of item 11 item 10, wherein the second layer comprises:
(A) About 0.8% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 77% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(B) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 76% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(C) about 3.4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 74% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(D) about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 64% microcrystalline cellulose 302; about 13% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(E) about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 57% microcrystalline cellulose 302; about 19% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(F) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 66% microcrystalline cellulose 302; about 10% hydroxypropyl cellulose EXF; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate; or
(G) about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 61% microcrystalline cellulose 302; about 15% mannitol; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate.
Item 12 the bilayer tablet of item 11, wherein a film coating is present and the film coating is
The bilayer tablet of item 13 item 5, wherein (1) the first layer comprises about 72-82% metformin hydrochloride; about 3-5% sodium carboxymethylcellulose; about 15-22% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.1-0.6% magnesium stearate; and (2) the second layer is from about 300mg to about 400 mg.
the bilayer tablet of item 14 item 13, wherein the second layer comprises:
(A) About 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 72-80% microcrystalline cellulose 302; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate;
(B) About 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 50-70% microcrystalline cellulose 302; about 10-22% pregelatinized starch; about 2-6.00% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate;
(C) About 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 60-70% microcrystalline cellulose 302; about 5-15% hydroxypropyl cellulose EXF; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate; or
(D) About 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 55-65% microcrystalline cellulose 302; about 10-20% mannitol; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate.
The bilayer tablet of item 15 item 14, wherein a film coating is present and the film coating is
Item 16 the bilayer tablet of item 15, wherein the weight ratio between the first and second layers is about 4.4: 1.
The bilayer tablet of item 17. item 5, wherein (1) the first layer comprises about 76.6% metformin hydrochloride; about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.53% magnesium stearate; and (2) the second layer is from about 300mg to about 400 mg.
The bilayer tablet of item 18. item 17, wherein the second layer comprises:
(A) About 0.8% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 77% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(B) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 76% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(C) About 3.4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 74% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(D) about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 64% microcrystalline cellulose 302; about 13% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(E) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 57% microcrystalline cellulose 302; about 19% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(F) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 66% microcrystalline cellulose 302; about 10% hydroxypropyl cellulose EXF; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate; or
(G) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 61% microcrystalline cellulose 302; about 15% mannitol; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate.
The bilayer tablet of item 19. item 18, wherein a film coating is present and the film coating is
The bilayer tablet of item 20. item 19, wherein the weight ratio between the first and second layers is about 4.4: 1.
a method of treating a disorder or disease in a mammal, said method comprising administering to a mammal in need of said treatment a bilayer tablet comprising (1) a first layer, wherein said first layer is a metformin extended release formulation; (2) a second layer, wherein the second layer is an SGLT2 inhibitor formulation; and (3) optionally a film coating covering the first and second layers, the disorder or disease being selected from diabetes (including type I and type II diabetes), impaired glucose tolerance, insulin resistance, nephropathy, retinopathy, neuropathy and cataracts, hyperglycemia, hyperinsulinemia, hypercholesterolemia, dyslipidemia, elevated blood levels of free fatty acids or glycerol, hyperlipidemia, hypertriglyceridemia, obesity, wound healing, tissue ischemia, atherosclerosis and hypertension.
the method of item 22, item 21, wherein the disorder is type II diabetes and the mammal is a human.
Item 23 the method of item 22, wherein (1) the first layer comprises metformin, a binder, a release modifier, a lubricant, and optionally a glidant; and (2) the second layer comprises dapagliflozin or dapagliflozin (S) propylene glycol hydrate, two or three fillers, a disintegrant, a glidant, and a lubricant.
The method of item 24, item 23, wherein (1) the metformin is metformin hydrochloride; the adhesive is sodium carboxymethyl cellulose; the release modifier is hydroxypropyl methyl cellulose; the lubricant is magnesium stearate; and the optional glidant is silicon dioxide or colloidal silicon dioxide; (2) the SGLT2 inhibitor is dapagliflozin or dapagliflozin (S) propylene glycol hydrate; the two or three fillers are selected from anhydrous lactose, microcrystalline cellulose, pregelatinized starch, mannitol, and hydroxypropyl cellulose; the disintegrant is crospovidone; the glidant is silicon dioxide; and the lubricant is magnesium stearate; (3) the optional film coating is
the method of item 25, item 24, wherein (1) the first layer comprises about 69% metformin hydrochloride; about 3.5% sodium carboxymethylcellulose; about 27% hydroxypropyl methylcellulose 2208; and about 0.49% magnesium stearate; (2) the second layer is from about 300 to about 400mg and comprises:
(A) About 0.8% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 77% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(B) about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 76% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(C) About 3.4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 74% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(D) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 64% microcrystalline cellulose 302; about 13% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(E) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 57% microcrystalline cellulose 302; about 19% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(F) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 66% microcrystalline cellulose 302; about 10% hydroxypropyl cellulose EXF; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate; or
(G) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 61% microcrystalline cellulose 302; about 15% mannitol; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate; and (3) a coating is present and is
Item 26 the method of item 24, wherein (1) the first layer comprises about 76.6% metformin hydrochloride, about 3.84% sodium carboxymethyl cellulose, about 18% hydroxypropyl methylcellulose 2208, about 0.75-1.25% silicon dioxide or about 0.25-0.75% colloidal silicon dioxide and about 0.53% magnesium stearate; (2) the second layer is from about 300mg to about 400mg and comprises:
(A) About 0.8% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 76.6% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(B) about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 76% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(C) About 3.4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 74% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(D) about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 64% microcrystalline cellulose 302; about 13% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(E) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 57% microcrystalline cellulose 302; about 19% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(F) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 66% microcrystalline cellulose 302; about 10% hydroxypropyl cellulose EXF; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate; or
(G) about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 61% microcrystalline cellulose 302; about 15% mannitol; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate; and (3) a coating is present and is
an item 27. a coated bilayer tablet comprising: (1) a bilayer tablet core comprising two layers, wherein a first layer comprises metformin; and the second layer comprises an SGLT2 inhibitor; wherein the second layer is about 300 to about 400 mg; (2) a first coating layer coating the bilayer tablet core and optionally comprising saxagliptin; (3) a second coating layer coating the first coating layer and optionally comprising saxagliptin; and (4) optionally a third coating layer, said third coating layer coating said second coating layer; wherein at least one of the first coating layer and the second coating layer comprises saxagliptin.
the coated bilayer tablet of item 28. item 27, wherein (1) the first layer comprises about 64-82% metformin hydrochloride; about 3-5% sodium carboxymethylcellulose; about 15-30% hydroxypropyl methylcellulose; about 0.1-0.75% magnesium stearate; and about 0-2% silica or 0-1.5% colloidal silica; and the second layer comprises about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 50-80% microcrystalline cellulose; about 0-20% pregelatinized starch; about 0-20% mannitol; about 0-15% hydroxypropyl cellulose; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-2% magnesium stearate; (2) the first coating layer comprises a polyvinyl alcohol-based polymer; (3) the second coating layer comprises saxagliptin and a polyvinyl alcohol-based polymer; and (4) the third coating layer comprises a polyvinyl alcohol-based polymer.
item 29. the coated bilayer tablet of item 27, wherein (1) the first layer comprises about 67-71% metformin hydrochloride, about 3-5% sodium carboxymethyl cellulose, about 25-29% hydroxypropyl methylcellulose 2208, and about 0.1-0.75% magnesium stearate; and the second layer comprises:
(A) About 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 72-80% microcrystalline cellulose 302; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate;
(B) about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 50-70% microcrystalline cellulose 302; about 10-22% pregelatinized starch; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate;
(C) about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 60-70% microcrystalline cellulose 302; about 5-15% hydroxypropyl cellulose EXF; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate; or
(D) About 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 55-65% microcrystalline cellulose 302; about 10-20% mannitol; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate;
(2) The first coating layer comprises (3) the second coating layer comprises saxagliptin and (4) the third coating layer comprises
The coated bilayer tablet of item 30.27, wherein (1) the first layer comprises about 69% metformin hydrochloride, about 3.5% sodium carboxymethyl cellulose, about 27% hydroxypropyl methylcellulose 2208, and about 0.48% magnesium stearate; and the second layer comprises:
(A) about 0.8% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 77% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(B) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 76% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(C) About 3.4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 74% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(D) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 64% microcrystalline cellulose 302; about 13% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(E) about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 57% microcrystalline cellulose 302; about 19% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(F) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 66% microcrystalline cellulose 302; about 10% hydroxypropyl cellulose EXF; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate; or
(G) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 61% microcrystalline cellulose 302; about 15% mannitol; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(2) the first coating layer comprises (3) the second coating layer comprises saxagliptin and (4) the third coating layer comprises
the coated bilayer tablet of item 31 item 27, wherein (1) the first layer comprises about 72-82% metformin hydrochloride; about 3-5% sodium carboxymethylcellulose; about 15-22% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.1-0.6% magnesium stearate; the second layer comprises:
(A) about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 72-80% microcrystalline cellulose 302; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate;
(B) about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 50-70% microcrystalline cellulose 302; about 10-22% pregelatinized starch; about 2-6.00% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate;
(C) About 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 60-70% microcrystalline cellulose 302; about 5-15% hydroxypropyl cellulose EXF; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate; or
(D) About 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 55-65% microcrystalline cellulose 302; about 10-20% mannitol; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate;
(2) The first coating layer comprises (3) the second coating layer comprises saxagliptin and (4) the third coating layer comprises
the coated bilayer tablet of item 32.27, wherein (1) the first layer comprises about 76.6% metformin hydrochloride; about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.53% magnesium stearate; the second layer comprises:
(A) about 0.8% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 77% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(B) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 76% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(C) About 3.4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate, about 16% lactose anhydrous; about 74% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(D) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 64% microcrystalline cellulose 302; about 13% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(E) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 57% microcrystalline cellulose 302; about 19% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(F) about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 66% microcrystalline cellulose 302; about 10% hydroxypropyl cellulose EXF; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate; or
(G) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 61% microcrystalline cellulose 302; about 15% mannitol; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(2) The first coating layer comprises (3) the second coating layer comprises saxagliptin and (4) the third coating layer comprises
An item 33. a coated tablet comprising: (1) a tablet core comprising metformin; (2) a first coating layer coating the core and optionally comprising saxagliptin; (3) a second coating layer coating the first coating layer and optionally comprising saxagliptin; and (4) optionally a third coating layer, said third coating layer coating said second coating layer; wherein at least one of the first coating layer and the second coating layer comprises saxagliptin.
The coated tablet of item 34, item 33, wherein (1) the tablet core comprises about 72-82% metformin hydrochloride; about 3-5% sodium carboxymethylcellulose; about 15-22% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.1-0.6% magnesium stearate; (2) the first coating layer comprises a polyvinyl alcohol-based polymer; (3) the second coating layer comprises saxagliptin and a polyvinyl alcohol-based polymer; and (4) the third coating layer comprises a polyvinyl alcohol-based polymer.
the coated tablet of item 35. item 33, wherein (1) the tablet core comprises about 76.6% metformin hydrochloride; about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.53% magnesium stearate; (2) the first coating layer comprises (3) the second coating layer comprises saxagliptin and (4) the third coating layer comprises
The coated tablet of item 36. item 33, wherein (1) the tablet core comprises about 76.6% metformin hydrochloride; about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 1% silica; and about 0.53% magnesium stearate; (2) the first coating layer comprises (3) the second coating layer comprises saxagliptin and (4) the third coating layer comprises
item 37. a pharmaceutical combination comprising the bilayer tablet of item 5 and an antidiabetic agent, wherein the antidiabetic agent is a sulfonylurea, a thiazolidinedione, an alpha glucosidase inhibitor, a meglitinide, a glucagon-like peptide (GLP) agonist, insulin, a pullulan agonist, a fructose-1, 6-bisphosphatase inhibitor, an insulin secretagogue, an insulin sensitizer, a glucokinase activator, a glucocorticoid antagonist, an AMP kinase activator, an incretin pathway modulator such as an incretin secretagogue, an incretin mimetic, an incretin potentiator, a bile acid sequestrant or a bile acid receptor agonist such as TGR5 agonist, a dopamine receptor agonist, a reductase inhibitor, a PPAR γ agonist, a PPAR α agonist, a PPAR δ or agonist, a PPAR α/γ dual agonist, a PPAR δ or an aldose agonist, a PPAR γ dual agonist, a glucose/γ dual agonist, a glucose uptake ratio enhancer, a glucose uptake enhancer, a, 11-beta-HSD-1 inhibitors, dipeptidyl peptidase IV (DPP4) inhibitors other than saxagliptin, SGLT2 inhibitors other than dapagliflozin, glucagon-like peptide-1 (GLP-1), GLP-1 agonists, or PTP-1B inhibitors.
an item 38. a pharmaceutical combination comprising the bilayer tablet of item 5 and a weight-loss drug, wherein the weight-loss drug is sibutramine, a CB1 antagonist, a 5HT2C agonist, a MCHR1 antagonist, orlistat, a thyromimetic, an amylin mimetic, or a growth hormone releasing hormone antagonist.
the bilayer tablet of item 39 item 1, wherein (1) the first layer comprises about 72-82% metformin hydrochloride; about 3-5% sodium carboxymethylcellulose; about 15-22% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.1-0.6% magnesium stearate; and (2) the second layer comprises canaglizin.
The bilayer tablet of item 40. item 39, wherein a film coating is present and the film coating is
the bilayer tablet of item 41.1, wherein (1) the first layer comprises about 76.6% metformin hydrochloride; about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.53% magnesium stearate; and (2) the second layer comprises canaglizin.
The bilayer tablet of item 42. 41, wherein a film coating is present and the film coating is
The bilayer tablet of item 43. item 5, wherein (1) the first layer comprises about 76.6% metformin hydrochloride; about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.53% magnesium stearate; and (2) the second layer comprises canaglizin.
The bilayer tablet of item 44 item 41, wherein a film coating is present and the film coating is
Detailed Description
the preparation of bilayer tablets with significantly different weight ratios between the two layers can lead to cracking at the layer interface, separation of the layers or even cross-contamination of the two layers. The large weight ratio difference between the metformin layers and the SGLT2 inhibitor layers of examples 4-15 provided the following challenges: the effectiveness and content uniformity of the lower weight layer, i.e., the SGLT2 inhibitor layer, is maintained. It was also found that various of the test formulations showed cracking in the SGLT2 inhibitor layer on the tablet surface in the region adjacent to but spaced from and parallel to the interface between the layers. For example, SGLT2 inhibitor layer formulations with increased microcrystalline cellulose levels allow cracking, separation, and cross-contamination of the two layers to be reduced or eliminated while maintaining the efficacy and uniformity of the second layer. In addition, pregelatinized starch, hydroxypropyl cellulose EXF, or mannitol may be used as a substitute for a portion of microcrystalline cellulose. Finally, a second layer having a total weight of about 300mg to about 400mg helps to reduce or eliminate cracking, separation, and cross-contamination of the two layers. The preferred weight of the second layer is 300 mg. Thus, the present invention provides a bilayer tablet that reduces or eliminates cracking, separation and cross-contamination of the metformin layer and the SGLT2 inhibitor layer and maintains or improves the efficacy and uniformity of the SGLT2 inhibitor layer.
The present invention provides a bilayer tablet comprising a metformin XR (1000mg) formulation, an SGLT2 inhibitor (2.5, 5.0 or 10.0mg) formulation and optionally a film coating. The metformin XR formulation comprises metformin hydrochloride (HCl), sodium carboxymethyl cellulose, hydroxypropyl methyl cellulose, and magnesium stearate. The SGLT2 inhibitor formulation comprises SGLT2 inhibitor, anhydrous lactose, microcrystalline cellulose, crospovidone, silicon dioxide, and magnesium stearate. For the second layer, pregelatinized starch, hydroxypropyl cellulose EXF, or mannitol (mannitol SD 200) may be used to replace a portion of the microcrystalline cellulose. Additionally, the total weight of the second layer is from about 300mg to about 400 mg. The preferred weight of the second layer is 300 mg. The optional film coating may be that in preferred embodiments, the SGLT2 inhibitor is dapagliflozin, dapagliflozin (S) PGS, or dapagliflozin (R) PGS.
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 50-87% metformin hydrochloride (HCl), about 1-10% sodium carboxymethylcellulose, about 10-40% hydroxypropylmethylcellulose, about 0.1-75% magnesium stearate and about 0-2% silicon dioxide or about 0-1.5% colloidal silicon dioxide. The SGLT2 inhibitor formulation comprises about 0.1-10% SGLT2 inhibitor, about 5-30% anhydrous lactose, about 40-90% microcrystalline cellulose, about 0-25% pregelatinized starch, about 0-20% hydroxypropyl cellulose, about 0-25% mannitol, about 1-10% crospovidone, about 0.1-5% silicon dioxide, and about 0.1-5% magnesium stearate. The optional film coating may be that in a preferred embodiment, the SGLT2 inhibitor is dapagliflozin or dapagliflozin (S) PGS.
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 64-82% metformin hydrochloride (HCl), about 3-5% sodium carboxymethylcellulose, about 15-30% hydroxypropylmethylcellulose, about 0.1-75% magnesium stearate and about 0-2% silicon dioxide or about 0-1.5% colloidal silicon dioxide. The SGLT2 inhibitor formulation comprises about 0.5-4% SGLT2 inhibitor, about 14-18% anhydrous lactose, about 50-80% microcrystalline cellulose, about 0-20% pregelatinized starch, about 0-15% hydroxypropyl cellulose, about 0-20% mannitol, about 2-6% crospovidone, about 0.5-2.5% silicon dioxide, and about 0.49-2% magnesium stearate. The optional film coating may be that in a preferred embodiment, the SGLT2 inhibitor is dapagliflozin or dapagliflozin (S) PGS.
in another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 67-71% metformin hydrochloride (HCl), about 3-5% sodium carboxymethylcellulose, about 25-29% hydroxypropyl methylcellulose 2208, and about 0.1-0.75% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin or dapagliflozin (S) PGS, about 14-18% lactose anhydrous, about 72-80% microcrystalline cellulose 302, about 2-6% crospovidone, about 0.5-2.5% silicon dioxide, and about 0.5-1.5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 67-71% metformin hydrochloride (HCl), about 3-5% sodium carboxymethylcellulose, about 25-29% hydroxypropyl methylcellulose 2208, and about 0.1-0.75% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 50-70% microcrystalline cellulose 302; about 10-22% pregelatinized starch; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg.
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 67-71% metformin hydrochloride (HCl), about 3-5% sodium carboxymethylcellulose, about 25-29% hydroxypropyl methylcellulose 2208, and about 0.1-0.75% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 60-70% microcrystalline cellulose 302; about 5-15% hydroxypropyl cellulose EXF; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg.
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 67-71% metformin hydrochloride (HCl), about 3-5% sodium carboxymethylcellulose, about 25-29% hydroxypropyl methylcellulose 2208, and about 0.1-0.75% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 55-65% microcrystalline cellulose 302; about 10-20% mannitol; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg.
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 69% metformin hydrochloride (HCl), about 3.5% sodium carboxymethyl cellulose, about 27% hydroxypropyl methylcellulose 2208, and about 0.49% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin (S) PGS, about 16% lactose anhydrous, about 57-77% microcrystalline cellulose 302, about 0-19% pregelatinized starch, about 0-10% hydroxypropyl cellulose EXF, about 0-15% mannitol, about 4% crospovidone, about 1.5% silicon dioxide, and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
in another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 69% metformin hydrochloride (HCl), about 3.5% sodium carboxymethyl cellulose, about 27% hydroxypropyl methylcellulose 2208, and about 0.49% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.8% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 77% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
in another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 69% metformin hydrochloride (HCl), about 3.5% sodium carboxymethyl cellulose, about 27% hydroxypropyl methylcellulose 2208, and about 0.49% magnesium stearate. The SGLT2 inhibitor formulation comprises about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 76% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
in another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 69% metformin hydrochloride (HCl), about 3.5% sodium carboxymethyl cellulose, about 27% hydroxypropyl methylcellulose 2208, and about 0.49% magnesium stearate. The SGLT2 inhibitor formulation comprises about 3.4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 74% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 69% metformin hydrochloride (HCl), about 3.5% sodium carboxymethyl cellulose, about 27% hydroxypropyl methylcellulose 2208, and about 0.49% magnesium stearate. The SGLT2 inhibitor formulation comprises about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 64% microcrystalline cellulose 302; about 13% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 69% metformin hydrochloride (HCl), about 3.5% sodium carboxymethyl cellulose, about 27% hydroxypropyl methylcellulose 2208, and about 0.49% magnesium stearate. The SGLT2 inhibitor formulation comprises about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 57% microcrystalline cellulose 302; about 19% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 69% metformin hydrochloride (HCl), about 3.5% sodium carboxymethyl cellulose, about 27% hydroxypropyl methylcellulose 2208, and about 0.49% magnesium stearate. The SGLT2 inhibitor formulation comprises about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 66% microcrystalline cellulose 302; about 10% hydroxypropyl cellulose EXF; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
in another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 69% metformin hydrochloride (HCl), about 3.5% sodium carboxymethyl cellulose, about 27% hydroxypropyl methylcellulose 2208, and about 0.49% magnesium stearate. The SGLT2 inhibitor formulation comprises about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 61% microcrystalline cellulose 302; about 15% mannitol; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
in another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 67-73% metformin hydrochloride (HCl), about 3-5% sodium carboxymethylcellulose, about 25-30% hydroxypropylmethylcellulose 2208, and about 0.08-0.2% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin (S) PGS, about 14-18% lactose anhydrous, about 55-70% microcrystalline cellulose 302, about 10-25% pregelatinized starch, about 3-5% crospovidone, about 0.5-2.5% silicon dioxide, and about 0.5-2% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
in another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 69% metformin hydrochloride (HCl), about 3.5% sodium carboxymethyl cellulose, about 27% hydroxypropyl methylcellulose 2208, and about 0.49% magnesium stearate. The SGLT2 inhibitor formulation comprises about 1.7% dapagliflozin (S) PGS, about 16% lactose anhydrous, about 56-64% microcrystalline cellulose 302, about 13-19% pregelatinized starch, about 4% crospovidone, about 1.5% silicon dioxide, and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 67-73% metformin hydrochloride (HCl), about 3-5% sodium carboxymethylcellulose, about 25-30% hydroxypropylmethylcellulose 2208, and about 0.08-0.2% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin (S) PGS, about 14-18% lactose anhydrous, about 55-70% microcrystalline cellulose 302, about 5-20% hydroxypropyl cellulose EXF, about 3-5% crospovidone, about 0.5-2.5% silicon dioxide, and about 0.5-2% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 69% metformin hydrochloride (HCl), about 3.5% sodium carboxymethyl cellulose, about 27% hydroxypropyl methylcellulose 2208, and about 0.49% magnesium stearate. The SGLT2 inhibitor formulation comprises about 1.7% dapagliflozin (S) PGS, about 16% lactose anhydrous, about 66% microcrystalline cellulose 302, about 10% hydroxypropyl cellulose EXF, about 4% crospovidone, about 1.5% silicon dioxide, and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
in another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 67-73% metformin hydrochloride (HCl), about 3-5% sodium carboxymethylcellulose, about 25-30% hydroxypropylmethylcellulose 2208, and about 0.08-0.2% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin (S) PGS, about 14-18% lactose anhydrous, about 55-70% microcrystalline cellulose 302, about 5-25% mannitol, about 3-5% crospovidone, about 0.5-2.5% silicon dioxide, and about 0.5-2% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (1000mg) formulation comprises about 69% metformin hydrochloride (HCl), about 3.5% sodium carboxymethyl cellulose, about 27% hydroxypropyl methylcellulose 2208, and about 0.49% magnesium stearate. The SGLT2 inhibitor formulation comprises about 1.7% dapagliflozin (S) PGS, about 16% lactose anhydrous, about 61% microcrystalline cellulose 302, about 15% mannitol, about 4% crospovidone, about 1.5% silicon dioxide, and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
The present invention also provides a bilayer tablet comprising a metformin XR (500mg) formulation, an SGLT2 inhibitor (2.5, 5.0 or 10.0mg) formulation and optionally a film coating. The metformin XR formulation comprises metformin hydrochloride (HCl), sodium carboxymethyl cellulose, hydroxypropyl methyl cellulose, microcrystalline cellulose, and magnesium stearate. The SGLT2 inhibitor formulation comprises SGLT2 inhibitor, anhydrous lactose, microcrystalline cellulose, crospovidone, silicon dioxide, and magnesium stearate. For the second layer, pregelatinized starch, hydroxypropyl cellulose EXF, or mannitol (mannitol SD 200) may be used to replace a portion of the microcrystalline cellulose. Additionally, the total weight of the second layer is from about 300mg to about 400 mg. The preferred weight of the second layer is 300 mg. The optional film coating may be that in preferred embodiments, the SGLT2 inhibitor is dapagliflozin, dapagliflozin (S) PGS, or dapagliflozin (R) PGS.
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (500mg) formulation comprises about 40-60% metformin hydrochloride (HCl), about 1-10% sodium carboxymethylcellulose, about 20-45% hydroxypropylmethylcellulose, about 5-15% microcrystalline cellulose, about 0.1-0.75% magnesium stearate and about 0-2% silicon dioxide or about 0-1.5% colloidal silicon dioxide. The SGLT2 inhibitor formulation comprises about 0.1-10% SGLT2 inhibitor, about 5-30% anhydrous lactose, about 40-90% microcrystalline cellulose, about 0-25% pregelatinized starch, about 0-20% hydroxypropyl cellulose, about 0-25% mannitol, about 1-10% crospovidone, about 0.1-5% silicon dioxide, and about 0.1-5% magnesium stearate. The optional film coating may be that in a preferred embodiment, the SGLT2 inhibitor is dapagliflozin or dapagliflozin (S) PGS.
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (500mg) formulation comprises about 42-55% metformin hydrochloride (HCl), about 4-6% sodium carboxymethylcellulose, about 30-40% hydroxypropylmethylcellulose, about 5-15% microcrystalline cellulose, about 0.1-0.75% magnesium stearate and about 0-2% silicon dioxide or about 0-1.5% colloidal silicon dioxide. The SGLT2 inhibitor formulation comprises about 0.5-4% SGLT2 inhibitor, about 14-18% anhydrous lactose, about 65-80% microcrystalline cellulose, about 0-20% pregelatinized starch, about 0-15% hydroxypropyl cellulose, about 0-20% mannitol, about 2-6% crospovidone, about 0.5-2.5% silicon dioxide, and about 0.49-2% magnesium stearate. The optional film coating may be that in a preferred embodiment, the SGLT2 inhibitor is dapagliflozin or dapagliflozin (S) PGS.
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (500mg) formulation comprises about 46-50% metformin hydrochloride (HCl), about 4-6% sodium carboxymethylcellulose, about 30-40% hydroxypropylmethylcellulose 2208, about 0.1-1.5% hydroxypropylmethylcellulose 2910, about 5-15% microcrystalline cellulose, and about 0.1-0.75% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin or dapagliflozin (S) PGS, about 14-18% lactose anhydrous, about 72-80% microcrystalline cellulose 302, about 2-6% crospovidone, about 0.5-2.5% silicon dioxide, and about 0.5-1.5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (500mg) formulation comprises about 46-50% metformin hydrochloride (HCl), about 4-6% sodium carboxymethylcellulose, about 30-40% hydroxypropylmethylcellulose 2208, about 0.1-1.5% hydroxypropylmethylcellulose 2910, about 5-15% microcrystalline cellulose, and about 0.1-0.75% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 50-70% microcrystalline cellulose 302; about 10-22% pregelatinized starch; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg.
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (500mg) formulation comprises about 46-50% metformin hydrochloride (HCl), about 4-6% sodium carboxymethylcellulose, about 30-40% hydroxypropylmethylcellulose 2208, about 0.1-1.5% hydroxypropylmethylcellulose 2910, about 5-15% microcrystalline cellulose, and about 0.1-0.75% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 60-70% microcrystalline cellulose 302; about 5-15% hydroxypropyl cellulose EXF; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg.
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (500mg) formulation comprises about 46-50% metformin hydrochloride (HCl), about 4-6% sodium carboxymethylcellulose, about 30-40% hydroxypropylmethylcellulose 2208, about 0.1-1.5% hydroxypropylmethylcellulose 2910, about 5-15% microcrystalline cellulose, and about 0.1-0.75% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 55-65% microcrystalline cellulose 302; about 10-20% mannitol; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg.
in another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (500mg) formulation comprises about 48-49% metformin hydrochloride (HCl), about 4.5-5% sodium carboxymethylcellulose, about 34.5-35% hydroxypropylmethylcellulose 2208, about 0.8-1.2% hydroxypropylmethylcellulose 2910, about 9.75-10.25% microcrystalline cellulose, and about 0.34% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin (S) PGS, about 16% lactose anhydrous, about 72-77% microcrystalline cellulose 302, about 0-19% pregelatinized starch, about 0-10% hydroxypropyl cellulose EXF, about 0-15% mannitol, about 4% crospovidone, about 0.5-1.5% silicon dioxide, and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
in another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (500mg) formulation comprises about 48-49% metformin hydrochloride (HCl), about 4.5-5% sodium carboxymethylcellulose, about 34.5-35% hydroxypropylmethylcellulose 2208, about 0.8-1.2% hydroxypropylmethylcellulose 2910, about 9.75-10.25% microcrystalline cellulose, and about 0.34% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin (S) PGS, about 16% lactose anhydrous, about 72-77% microcrystalline cellulose 302, about 4% crospovidone, about 0.5-1.5% silicon dioxide, and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
formulations in which the quality of the metformin XR layer is reduced compared to known or currently available metformin XR formulations without affecting the amount of active ingredient are desirable because these formulations allow the weight difference between the two layers to be small, thereby reducing or eliminating the problems (cracking, separation or cross-contamination) associated with the manufacture of bilayer tablets. In addition, bilayer tablets are smaller and more suitable for oral administration to patients. The present invention provides reduced mass metformin XR formulations comprising silica or colloidal silica and a reduced amount of hydroxypropyl methylcellulose. The hydroxypropyl methylcellulose is reduced from about 27% to about 18%. These formulations provide improved compressibility and reduce the layer weight ratio from about 4.8:1 to about 4.4:1 while maintaining a similar metformin release rate.
Accordingly, the present invention provides a bilayer tablet comprising a reduced mass metformin XR (1000mg) formulation, an SGLT2 inhibitor (2.5, 5.0 or 10.0mg) formulation and optionally a film coating. The reduced mass metformin XR formulation comprises metformin hydrochloride, sodium carboxymethyl cellulose, hydroxypropyl methylcellulose, silicon dioxide or colloidal silicon dioxide and magnesium stearate. The SGLT2 inhibitor formulation comprises SGLT2 inhibitor, anhydrous lactose, microcrystalline cellulose, crospovidone, silicon dioxide, and magnesium stearate. For the second layer, pregelatinized starch, hydroxypropyl cellulose, or mannitol may be used in place of a portion of the microcrystalline cellulose. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The optional film coating may be that in preferred embodiments, the SGLT2 inhibitor is dapagliflozin, dapagliflozin (S) PGS, or dapagliflozin (R) PGS.
in another aspect, the present invention provides a bilayer tablet formulation wherein the reduced mass metformin XR (1000mg) formulation comprises about 70-85% metformin hydrochloride (HCl), about 2-6% sodium carboxymethyl cellulose, about 15-27% hydroxypropyl methylcellulose 2208, about 0.75-1.25% silicon dioxide or about 0.25-0.75% colloidal silicon dioxide and about 0.05-5% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.1-10% SGLT2 inhibitor, about 5-30% anhydrous lactose, about 40-90% microcrystalline cellulose 302, about 0-25% pregelatinized starch, about 0-20% hydroxypropyl cellulose EXF, about 0-25% mannitol (mannitol SD 200), about 1-10% crospovidone, about 0.1-5% silicon dioxide, and about 0.1-5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The optional film coating may be that in a preferred embodiment, the SGLT2 inhibitor is dapagliflozin or dapagliflozin (S) PGS.
in another aspect, the present invention provides a bilayer tablet wherein the reduced mass metformin XR (1000mg) formulation comprises about 72-82% metformin hydrochloride (HCl); about 3-5% sodium carboxymethylcellulose; about 15-22% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.1-0.6% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.1-10% SGLT2 inhibitor, about 5-30% anhydrous lactose, about 40-90% microcrystalline cellulose 302, about 0-25% pregelatinized starch, about 0-20% hydroxypropyl cellulose EXF, about 0-25% mannitol (mannitol SD 200), about 1-10% crospovidone, about 0.1-5% silicon dioxide, and about 0.1-5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The optional film coating may be that in a preferred embodiment, the SGLT2 inhibitor is dapagliflozin or dapagliflozin (S) PGS.
In another aspect, the present invention provides a bilayer tablet wherein the reduced mass metformin XR (1000mg) formulation comprises about 72-82% metformin hydrochloride (HCl); about 3-5% sodium carboxymethylcellulose; about 15-22% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.1-0.6% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 72-80% microcrystalline cellulose 302; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet wherein the reduced mass metformin XR (1000mg) formulation comprises about 72-82% metformin hydrochloride (HCl); about 3-5% sodium carboxymethylcellulose; about 15-22% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.1-0.6% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 50-70% microcrystalline cellulose 302; about 10-22% pregelatinized starch; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet wherein the reduced mass metformin XR (1000mg) formulation comprises about 72-82% metformin hydrochloride (HCl); about 3-5% sodium carboxymethylcellulose; about 15-22% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.1-0.6% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 60-70% microcrystalline cellulose 302; about 5-15% hydroxypropyl cellulose EXF; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet wherein the reduced mass metformin XR (1000mg) formulation comprises about 72-82% metformin hydrochloride (HCl); about 3-5% sodium carboxymethylcellulose; about 15-22% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.1-0.6% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 55-65% microcrystalline cellulose 302; about 10-20% mannitol; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet wherein the reduced mass metformin XR (1000mg) formulation comprises about 72-82% metformin hydrochloride (HCl); about 3-5% sodium carboxymethylcellulose; about 15-22% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.1-0.6% magnesium stearate. The SGLT2 inhibitor formulation comprises about 1.7% dapagliflozin (S) PGS, about 16% lactose anhydrous, about 56-64% microcrystalline cellulose 302, about 13-19% pregelatinized starch, about 4% crospovidone, about 1.5% silicon dioxide, and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet wherein the reduced mass metformin XR (1000mg) formulation comprises about 72-82% metformin hydrochloride (HCl); about 3-5% sodium carboxymethylcellulose; about 15-22% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.1-0.6% magnesium stearate. The SGLT2 inhibitor formulation comprises about 1.7% dapagliflozin (S) PGS, about 16% lactose anhydrous, about 66% microcrystalline cellulose 302, about 10% hydroxypropyl cellulose, about 4% crospovidone, about 1.5% silicon dioxide, and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet wherein the reduced mass metformin XR (1000mg) formulation comprises about 72-82% metformin hydrochloride (HCl); about 3-5% sodium carboxymethylcellulose; about 15-22% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.1-0.6% magnesium stearate. The SGLT2 inhibitor formulation comprises about 1.7% dapagliflozin (S) PGS, about 16% lactose anhydrous, about 61% microcrystalline cellulose 302, about 15% mannitol, about 4% crospovidone, about 1.5% silicon dioxide, and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet wherein the reduced mass metformin XR (1000mg) formulation comprises about 76.6% metformin hydrochloride (HCl); about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.53% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.8% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 77% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet wherein the reduced mass metformin XR (1000mg) formulation comprises about 76.6% metformin hydrochloride (HCl); about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.53% magnesium stearate. The SGLT2 inhibitor formulation comprises about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 76% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet wherein the reduced mass metformin XR (1000mg) formulation comprises about 76.6% metformin hydrochloride (HCl); about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.53% magnesium stearate. The SGLT2 inhibitor formulation comprises about 3.4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate, about 16% lactose anhydrous; about 74% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
in another aspect, the present invention provides a bilayer tablet wherein the reduced mass metformin XR (1000mg) formulation comprises about 76.6% metformin hydrochloride (HCl); about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.53% magnesium stearate. The SGLT2 inhibitor formulation comprises about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 64% microcrystalline cellulose 302; about 13% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet wherein the reduced mass metformin XR (1000mg) formulation comprises about 76.6% metformin hydrochloride (HCl); about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.53% magnesium stearate. The SGLT2 inhibitor formulation comprises about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 57% microcrystalline cellulose 302; about 19% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet wherein the reduced mass metformin XR (1000mg) formulation comprises about 76.6% metformin hydrochloride (HCl); about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.53% magnesium stearate. The SGLT2 inhibitor formulation comprises about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 66% microcrystalline cellulose 302; about 10% hydroxypropyl cellulose EXF; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet wherein the reduced mass metformin XR (1000mg) formulation comprises about 76.6% metformin hydrochloride (HCl); about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.53% magnesium stearate. The SGLT2 inhibitor formulation comprises about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 61% microcrystalline cellulose 302; about 15% mannitol; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
The present invention also provides a bilayer tablet comprising a metformin XR (500mg) formulation, an SGLT2 inhibitor (2.5, 5.0 or 10.0mg) formulation and optionally a film coating. The metformin XR500mg formulation comprises metformin hydrochloride, sodium carboxymethyl cellulose, hydroxypropyl methyl cellulose, microcrystalline cellulose, magnesium stearate and optionally silicon dioxide or colloidal silicon dioxide. The SGLT2 inhibitor formulation comprises SGLT2 inhibitor, anhydrous lactose, microcrystalline cellulose, crospovidone, silicon dioxide, and magnesium stearate. For the second layer, pregelatinized starch, hydroxypropyl cellulose, or mannitol may be used in place of a portion of the microcrystalline cellulose. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The optional film coating may be that in preferred embodiments, the SGLT2 inhibitor is dapagliflozin, dapagliflozin (S) PGS, or dapagliflozin (R) PGS.
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (500mg) formulation comprises about 40-60% metformin hydrochloride (HCl), about 4-6% sodium carboxymethylcellulose, about 30-40% hydroxypropylmethylcellulose 2208, about 0.1-1.5% hydroxypropylmethylcellulose 2910, about 5-15% microcrystalline cellulose, about 0.75-1.25% silicon dioxide or about 0.25% -0.75% colloidal silicon dioxide and about 0.05-5% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.1-10% SGLT2 inhibitor, about 5-30% anhydrous lactose, about 40-90% microcrystalline cellulose 302, about 0-25% pregelatinized starch, about 0-20% hydroxypropyl cellulose EXF, about 0-25% mannitol (mannitol SD 200), about 1-10% crospovidone, about 0.1-5% silicon dioxide, and about 0.1-5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The optional film coating may be that in a preferred embodiment, the SGLT2 inhibitor is dapagliflozin or dapagliflozin (S) PGS.
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (500mg) formulation comprises about 45-50% metformin hydrochloride (HCl), about 4-6% sodium carboxymethylcellulose, about 30-40% hydroxypropylmethylcellulose 2208, about 0.1-1.5% hydroxypropylmethylcellulose 2910, about 5-15% microcrystalline cellulose, about 0.75-1.25% silicon dioxide or about 0.25% -0.75% colloidal silicon dioxide and about 0.05-5% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.1-10% SGLT2 inhibitor, about 5-30% anhydrous lactose, about 40-90% microcrystalline cellulose 302, about 0-25% pregelatinized starch, about 0-20% hydroxypropyl cellulose EXF, about 0-25% mannitol (mannitol SD 200), about 1-10% crospovidone, about 0.1-5% silicon dioxide, and about 0.1-5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The optional film coating may be that in a preferred embodiment, the SGLT2 inhibitor is dapagliflozin or dapagliflozin (S) PGS.
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (500mg) formulation comprises about 45-50% metformin hydrochloride (HCl), about 4-6% sodium carboxymethylcellulose, about 30-40% hydroxypropylmethylcellulose 2208, about 0.1-1.5% hydroxypropylmethylcellulose 2910, about 5-15% microcrystalline cellulose, about 0.75-1.25% silicon dioxide or about 0.25% -0.75% colloidal silicon dioxide and about 0.05-5% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 72-80% microcrystalline cellulose 302; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
in another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (500mg) formulation comprises about 45-50% metformin hydrochloride (HCl), about 4-6% sodium carboxymethylcellulose, about 30-40% hydroxypropylmethylcellulose 2208, about 0.1-1.5% hydroxypropylmethylcellulose 2910, about 5-15% microcrystalline cellulose, about 0.75-1.25% silicon dioxide or about 0.25% -0.75% colloidal silicon dioxide and about 0.05-5% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 50-70% microcrystalline cellulose 302; about 10-22% pregelatinized starch; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (500mg) formulation comprises about 45-50% metformin hydrochloride (HCl), about 4-6% sodium carboxymethylcellulose, about 30-40% hydroxypropylmethylcellulose 2208, about 0.1-1.5% hydroxypropylmethylcellulose 2910, about 5-15% microcrystalline cellulose, about 0.75-1.25% silicon dioxide or about 0.25% -0.75% colloidal silicon dioxide and about 0.05-5% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 60-70% microcrystalline cellulose 302; about 5-15% hydroxypropyl cellulose EXF; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (500mg) formulation comprises about 45-50% metformin hydrochloride (HCl), about 4-6% sodium carboxymethylcellulose, about 30-40% hydroxypropylmethylcellulose 2208, about 0.1-1.5% hydroxypropylmethylcellulose 2910, about 5-15% microcrystalline cellulose, about 0.75-1.25% silicon dioxide or about 0.25% -0.75% colloidal silicon dioxide and about 0.05-5% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 55-65% microcrystalline cellulose 302; about 10-20% mannitol; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
In another aspect, the present invention provides a bilayer tablet formulation wherein the metformin XR (500mg) formulation comprises about 45-50% metformin hydrochloride (HCl), about 4-6% sodium carboxymethylcellulose, about 30-40% hydroxypropylmethylcellulose 2208, about 0.1-1.5% hydroxypropylmethylcellulose 2910, about 5-15% microcrystalline cellulose, about 0.75-1.25% silicon dioxide or about 0.25% -0.75% colloidal silicon dioxide and about 0.05-5% magnesium stearate. The SGLT2 inhibitor formulation comprises about 0.5-4% dapagliflozin (S) PGS, about 16% lactose anhydrous, about 74-77% microcrystalline cellulose 302, about 4% crospovidone, about 1.5% silicon dioxide, and about 1% magnesium stearate. The total weight of the SGLT2 inhibitor layer is about 300mg to about 400mg, with a preferred weight of about 300 mg. The film coating may be
The above SGLT2 percentages correspond to the active ingredient. The preferred active ingredient is dapagliflozin or dapagliflozin (S) propylene glycol hydrate. It is to be understood that the above percentages (amounts) will be greater for dapagliflozin in the form of a hydrate of propylene glycol as compared to dapagliflozin in a non-solvated/hydrated form.
Metformin, an antidiabetic agent, is suitable for use in the bilayer tablets of the present invention in various forms including pharmaceutically acceptable salts thereof such as hydrochloride, hydrobromide, fumarate, succinate, p-chlorophenoxyacetate or pamoate. The fumarate and succinate salts are preferably metformin (2:1) fumarate and metformin (2:1) succinate. Metformin hydrochloride is preferred.
The present invention also encompasses a coated bilayer tablet wherein the coating comprises saxagliptin or a pharmaceutically acceptable salt thereof. Saxagliptin in free base form, monohydrate form or hydrochloride form is preferred. The coated tablet comprises a core, a first coating layer, a second coating layer, and optionally a third coating layer. The tablet core comprises metformin, preferably metformin hydrochloride. The first and second coating layers optionally contain saxagliptin, wherein at least one of the first and second coating layers contains saxagliptin. The third coating layer is an optional outer protective coating layer. Saxagliptin, shown below, may be prepared as described in U.S. patent 6,395,767, the disclosure of which is incorporated by reference into this application for any purpose. The first and second coating layers are prepared in a similar manner as described in WO2005/117841 for the preparation of the inner seal coating layer or the intermediate (drug) coating layer, the disclosure of which is incorporated by reference into the present application for any purpose. The third coating layer is prepared in a similar manner as described in WO2005/117841 for the preparation of the outer protective coating layer.
Saxagliptin
The first coating layer comprises at most 95% polymer (based on the weight of the first coating layer). The formulation will contain at least one coating layer polymer and a coating solvent, preferably water, which is used for processing and is removed by drying. The first coating layer polymer may be hydroxypropylmethyl cellulose, polyvinyl alcohol (PVA), ethyl cellulose, methacrylic acid (ester) polymer or hydroxypropyl cellulose, preferably PVA. The first coating layer optionally comprises saxagliptin in the range of about 0.5 to about 70% and preferably about 30 to about 50% (based on the weight of the second coating layer). The first coating layer may comprise: optional plasticizers such as triacetin, diethyl phthalate, tributyl sebacate or polyethylene glycol (PEG), preferably PEG; antiadherents or glidants such as talc, fumed silica or magnesium stearate; and opacifiers such as titanium dioxide. The coating layer may further comprise an iron oxide based pigment. The coating material is commercially available under the trade name or white
The second coating layer has a similar composition to the first coating layer and preferably comprises saxagliptin.
The third coating layer has a similar composition to the first coating layer, but does not contain saxagliptin.
Accordingly, in one aspect, the present invention provides a coated bilayer tablet comprising: (1) a bilayer tablet core comprising two layers, wherein a first layer comprises metformin; and the second layer comprises an SGLT2 inhibitor; wherein the second layer is about 300 to about 400 mg; (2) a first coating layer coating the bilayer tablet core and optionally comprising saxagliptin; (3) a second coating layer coating the first coating layer and optionally comprising saxagliptin; and (4) optionally a third coating layer, said third coating layer coating said second coating layer; wherein at least one of the first coating layer and the second coating layer comprises saxagliptin.
In one aspect, the present invention provides a coated bilayer tablet comprising: (1) a bilayer tablet core wherein the first layer comprises about 64-82% metformin hydrochloride, about 3-5% sodium carboxymethylcellulose; about 15-30% hydroxypropyl methylcellulose; about 0.1-0.75% magnesium stearate; and about 0-2% silica or about 0-1.5% colloidal silica; and the second layer comprises about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 50-80% microcrystalline cellulose; about 0-20% pregelatinized starch; about 0-20% mannitol; about 0-15% hydroxypropyl cellulose; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-2% magnesium stearate; wherein the second layer is about 300 to about 400 mg; (2) a first coating layer comprising a polyvinyl alcohol-based polymer; (3) a second coating layer comprising saxagliptin and a polyvinyl alcohol-based polymer; and (4) a third coating layer comprising a polyvinyl alcohol-based polymer.
In one aspect, the present invention provides a coated bilayer tablet comprising: (1) a bilayer tablet core wherein the first layer comprises about 67-71% metformin hydrochloride, about 3-5% sodium carboxymethyl cellulose, about 25-29% hydroxypropyl methylcellulose 2208, and about 0.1-0.75% magnesium stearate; and the second layer comprises:
(A) About 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 72-80% microcrystalline cellulose 302; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate;
(B) about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 50-70% microcrystalline cellulose 302; about 10-22% pregelatinized starch; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate;
(C) About 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 60-70% microcrystalline cellulose 302; about 5-15% hydroxypropyl cellulose EXF; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate; or
(D) About 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 55-65% microcrystalline cellulose 302; about 10-20% mannitol; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate; wherein the second layer is about 300 to about 400 mg;
(2) A first coating layer comprising (3) a second coating layer comprising saxagliptin and (4) a third coating layer comprising
In one aspect, the present invention provides a coated bilayer tablet comprising: (1) a bilayer tablet core wherein the first layer comprises about 69% metformin hydrochloride, about 3.5% sodium carboxymethyl cellulose, about 27% hydroxypropyl methylcellulose 2208, and about 0.48% magnesium stearate; and the second layer comprises:
(A) about 0.8% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 77% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(B) about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 76% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(C) about 3.4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 74% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(D) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 64% microcrystalline cellulose 302; about 13% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(E) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 57% microcrystalline cellulose 302; about 19% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(F) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 66% microcrystalline cellulose 302; about 10% hydroxypropyl cellulose EXF; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate; or
(G) about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 61% microcrystalline cellulose 302; about 15% mannitol; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate; wherein the second layer is about 300 to about 400 mg;
(2) A first coating layer comprising (3) a second coating layer comprising saxagliptin and (4) a third coating layer comprising
in one aspect, the present invention provides a coated bilayer tablet comprising: (1) a bilayer tablet core wherein the first layer comprises about 72-82% metformin hydrochloride; about 3-5% sodium carboxymethylcellulose; about 15-22% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.1-0.6% magnesium stearate; and the second layer comprises:
(A) About 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 72-80% microcrystalline cellulose 302; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate;
(B) about 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 50-70% microcrystalline cellulose 302; about 10-22% pregelatinized starch; about 2-6.00% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate;
(C) About 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 60-70% microcrystalline cellulose 302; about 5-15% hydroxypropyl cellulose EXF; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate; or
(D) About 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 14-18% anhydrous lactose; about 55-65% microcrystalline cellulose 302; about 10-20% mannitol; about 2-6% crospovidone; about 0.5-2.5% silica; and about 0.5-1.5% magnesium stearate; wherein the second layer is about 300 to about 400 mg;
(2) A first coating layer comprising (3) a second coating layer comprising saxagliptin and (4) a third coating layer comprising
In one aspect, the present invention provides a coated bilayer tablet comprising: (1) a bilayer tablet core wherein the first layer comprises about 76.6% metformin hydrochloride; about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.53% magnesium stearate; and the second layer comprises:
(A) About 0.8% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 77% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(B) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 76% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(C) About 3.4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate, about 16% lactose anhydrous; about 74% microcrystalline cellulose 302; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(D) about 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 64% microcrystalline cellulose 302; about 13% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(E) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 57% microcrystalline cellulose 302; about 19% pregelatinized starch; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate;
(F) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 66% microcrystalline cellulose 302; about 10% hydroxypropyl cellulose EXF; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate; or
(G) About 1.7% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; about 16% lactose anhydrous; about 61% microcrystalline cellulose 302; about 15% mannitol; about 4% crospovidone; about 1.5% silica; and about 1% magnesium stearate; wherein the second layer is about 300 to about 400 mg;
(2) A first coating layer comprising (3) a second coating layer comprising saxagliptin and (4) a third coating layer comprising
in one aspect, the present invention provides a coated tablet comprising a core coated with a first coating layer optionally containing saxagliptin, a second coating layer optionally containing saxagliptin, and optionally a third coating layer. The tablet core comprises metformin, with metformin hydrochloride being preferred. At least one of the first and second coating layers contains saxagliptin. The first and second coating layers are prepared in a similar manner as described in WO2005/117841 for the preparation of the inner seal coating layer or the intermediate (drug) coating layer. The third coating layer is prepared in a similar manner as described in WO2005/117841 for the preparation of the outer protective coating layer.
in another aspect, the present invention provides a coated tablet comprising: (1) a tablet core comprising metformin; (2) a first coating layer coating the core and optionally comprising saxagliptin; (3) a second coating layer coating the first coating layer and optionally comprising saxagliptin; and (4) optionally a third coating layer, said third coating layer coating said second coating layer; wherein at least one of the first coating layer and the second coating layer comprises saxagliptin.
In another aspect, the present invention provides a coated tablet comprising: (1) a tablet core comprising about 72-82% metformin hydrochloride; about 3-5% sodium carboxymethylcellulose; about 15-22% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.1-0.6% magnesium stearate; (2) a first coating layer comprising a polyvinyl alcohol-based polymer; (3) a second coating layer comprising saxagliptin and a polyvinyl alcohol-based polymer; and (4) a third coating layer comprising a polyvinyl alcohol-based polymer.
In another aspect, the present invention provides a coated tablet comprising: (1) a tablet core comprising about 76.6% metformin hydrochloride; about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.53% magnesium stearate; (2) a first coating layer comprising (3) a second coating layer comprising saxagliptin and (4) a third coating layer comprising
In another aspect, the present invention provides a coated tablet comprising: (1) a tablet core comprising about 76.6% metformin hydrochloride; about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 1% silica; and about 0.53% magnesium stearate; (2) a first coating layer comprising (3) a second coating layer comprising saxagliptin and (4) a third coating layer comprising
in another aspect, the present invention provides a coated tablet comprising: (1) a tablet core comprising about 76.6% metformin hydrochloride; about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 1% silica; and about 0.53% magnesium stearate; (2) a first coating layer comprising about 2% of (3) a second coating layer comprising about 1.25% saxagliptin and about 10% and (4) a third coating layer comprising about 2% of
In another aspect, the present invention provides a combination therapy comprising a bilayer tablet of the present invention in combination with one or more of the following: an antidiabetic agent; anti-hyperglycemic agents; hypolipidemic/lipid-lowering agents; anti-obesity agents; anti-hypertensive agents; an appetite suppressant; insulin secretagogues, insulin sensitizers, glucokinase activators, glucocorticoid antagonists, fructose-1, 6-bisphosphatase inhibitors, AMP kinase activators, incretin pathway modulators such as incretin secretagogues, such as GPR119 or GPR40 agonists, incretin mimetics such as Byetta and incretin synergists, bile acid sequestrants or bile acid receptor agonists such as TGR5 agonists, dopamine receptor agonists such as Cycloset, aldose reductase inhibitors, PPAR γ agonists, PPAR α agonists, PPAR δ antagonists or agonists, PPAR α/γ dual agonists, 11- β -1 inhibitors, dipeptidyl peptidase IV (4) inhibitors other than saxagliptin, SGLT2 inhibitors other than dapagliflozin, glucagon-like peptide-1 (GLP-1), HSDLT 2 inhibitors other than DPP-1, HSD-1, and, GLP-1 agonists and PTP-1B inhibitors. Also included are weight loss agents that act to reduce food intake (such as sibutramine, CB1 antagonists, 5HT2C agonists or MCHR1 antagonists) and agents that reduce nutrient absorption (such as lipase inhibitors (orlistat)) and agents that increase energy expenditure (such as thyromimetics) or slow gastrointestinal motility (such as amylin mimetics or ghrelin antagonists).
Examples of antidiabetic agents suitable for use in combination with the formulations of the present invention include, but are not limited to, alpha glucosidase inhibitors (acarbose or miglitol), insulin groups (including insulin secretagogues or insulin sensitizers), meglitinides (repaglinide), sulfonylureas (glimepiride, glyburide, gliclazide, chlorpropamide, and glipizide), biguanides/glyburide in combination with thiazolidinediones (e.g., troglitazone, rosiglitazone, and pioglitazone), PPAR alpha agonists, PPAR gamma agonists, PPAR alpha/gamma dual agonists, glycogen phosphorylase inhibitors, fatty acid binding protein (aP2) inhibitors, GPR119 modulators, GPR40 modulators, glucokinase inhibitors, glucagon-like peptide-1 (GLP-1) and other agonists of the GLP-1 receptor, SGLT2 inhibitors other than dapagliflozin and dipeptidyl peptidase IV (DPP4) inhibitors other than saxagliptin.
Other suitable thiazolidinediones include, but are not limited to, MCC-555 (see U.S. Pat. No. 5,594,016, Mitsubishi), Fangeglitazar (GI-262570, Glaxo-Wellcome), englitazone (CP-68722, Pfizer), or darglitazone (CP-86325, Pfizer; eaglitazone, MIT/Johnson & Johnson), Rungeglitazar (JTT-501, JPNT/Pharmacia & Upjohn), rosiglitazone (R-119702, Sankyo/WL), liraglutide (NN-2344, Dr.Reddy/NN), and (Z) -1, 4-bis-4- [ (3, 5-dioxo-1, 2, 4-oxadiazolidin-2-yl-methyl) ] phenoxybut-2-ene (YM-440, Yamanouchi).
examples of PPAR α agonists, PPAR γ agonists, and PPAR α/γ dual agonists include, but are not limited to, mogroside, paligliclate, Thaxagliflozin, AR-H039242(Astra/Zeneca), GW-501516(Glaxo-Wellcome), KRP297(Kyorin Merck), and Murakami et al, "A Novel Insulin transducer assays A collagen protein library a collagen and for Peroxisome promotion-Activated Receptor A (PPAR α) and PPAR γ;" Effect on PPAR α Activation on Abnormal Lipid Metabolism in Liver of Zucker Fatty rates ", Diabetes 47,1841 1847(1998), WO01/21602, and those disclosed in U.S. Pat. No. 6,414,002 and U.S. Pat. No. 6,653,314, the disclosures of which are incorporated herein by reference and used in the present application. In one embodiment, the compounds preferably specified in the cited references are preferably used in the present application.
Suitable aP2 inhibitors include, but are not limited to, those disclosed in U.S. application 09/391,053 and U.S. patent 6,548,529 filed 9/7 1999, the disclosures of which are incorporated herein by reference and the dosages described therein.
Suitable DPP4 inhibitors include, but are not limited to, sitagliptin and vildagliptin and those disclosed in WO99/38501, WO99/46272, WO99/67279(PROBIODRUG), WO99/67278(PROBIODRUG) and WO99/61431(PROBIODRUG), Hughes et al, Biochemistry,38(36), NVP-728A (1- [ [ [2- [ (5-cyanopyridin-2-yl) amino ] ethyl ] amino ] acetyl ] -2-cyano- (S) -pyrrolidine) (Novartis), L-225 (tryptophanyl-1, 2,3, 4-tetrahydroisoquinoline-3-carboxylic acid (see Yamada et al, Bioorg. chem. Lett.8(1998)1537 hworth et al, Bioorg. chem. Lett.8(1998), Cherokitt. 2748, Bioorg. chem. Chett. 1166, 2748, and Cyanopyr. 11648. cyano-pyrrolidine- The disclosures of all of the above documents are incorporated herein by reference and the dosages described therein are used.
SGLT2 inhibitors suitable for inclusion in the bilayer coated tablets of the invention and in combination therapy with the bilayer tablets of the invention include the compounds disclosed in seragliflozin, remogliflozin etabonate, canagliflozin (canagliflozin), BI-10773 and BI-44847, ASP-1941, R-7201, LX-4211, YM-543, AVE 2268, TS-033 or SGL-0100 and US7,589,193, WO2007007628, EP2009010, WO200903596, US2009030198, US7,288,528 and US2007/0197623, the disclosure of which is incorporated herein by reference for any purpose. The following SGLT2 inhibitors are preferred:
Suitable meglitinides include nateglinide (Novartis) or KAD1229 (PF/Kissei).
Examples of antihyperglycemic agents suitable for use in combination with the formulations of the present invention include, but are not limited to, glucagon-like peptide-1 (GLP-1) such as GLP-1(1-36) amide, GLP-1(7-37) (see U.S. Pat. No. 5,614,492 and incorporated herein by reference) and exenatide (Amylin/Lilly), LY-315902(Lilly), MK-0431(Merck), liraglutide (Novodisk), ZP-10(Zealand Pharmaceuticals A/S), CJC-1131(Conjuchem Nor) and the compounds disclosed in WO03/033671, which are incorporated herein by reference.
Examples of hypolipidemic/lipid-lowering agents suitable for use in combination with the formulations of the present invention include one or more of an MTP inhibitor, an HMG CoA reductase inhibitor, a squalene synthetase inhibitor, a fibric acid derivative, an ACAT inhibitor, a lipoxygenase inhibitor, a cholesterol absorption inhibitor, an ileal Na +/bile acid cotransporter inhibitor, an upregulator in LDL receptor activity, a bile acid sequestrant, a cholesterol ester transfer protein (e.g., CETP inhibitors such as Torpol (CP-529414, Pfizer) and JTT-705(Akros Pharma)), a PPAR agonist (as described above) and/or niacin and derivatives thereof. The hypolipidemic agent may be an up-regulator of LD2 receptor activity, such as 3- (13-hydroxy-10-oxotetradecyl) -5, 7-dimethoxy-isobenzofuran-1 (3H) -one (MD-700, Taisho Pharmaceutical co. ltd) and 4- (2-propenyl) - (3a,4a,5a) -cholestan-3-ol (LY295427, Eli Lilly). Preferred hypolipidemic agents include, for example, pravastatin, lovastatin, simvastatin, atorvastatin, fluvastatin, cerivastatin, atorvastatin and rosuvastatin (ZD-4522).
Examples of MTP inhibitors that may be used as described above include, but are not limited to, those disclosed in U.S. patent No. 5,595,872, U.S. patent No. 5,739,135, U.S. patent No. 5,712,279, U.S. patent No. 5,760,246, U.S. patent No. 5,827,875, U.S. patent No. 5,885,983, and U.S. patent No. 5,962,440, the disclosures of all of which are incorporated herein by reference.
Examples of HMG CoA reductase inhibitors that may be used in combination with the formulations of the present invention include, but are not limited to, mevastatin and related compounds disclosed in U.S. Pat. No. 3,983,140, lovastatin (mevinolin) and related compounds disclosed in U.S. Pat. No. 4,231,938, pravastatin and related compounds such as disclosed in U.S. Pat. No. 4,346,227, and simvastatin and related compounds disclosed in U.S. Pat. Nos. 4,448,784 and 4,450,171. Other HMG CoA reductase inhibitors that may be suitable for use in the present application include, but are not limited to, fluvastatin disclosed in U.S. Pat. No. 5,354,772, cerivastatin disclosed in U.S. Pat. Nos. 5,006,530 and 5,177,080, atorvastatin disclosed in U.S. Pat. Nos. 4,681,893, 5,273,995, 5,385,929 and 5,686,104, atorvastatin disclosed in U.S. Pat. No. 5,011,930 (Nissan/Nikyo Nivastatin (NK-104)), rosuvastatin disclosed in U.S. Pat. No. 5,260,440 (Shionogi-Astra/Zeneca (ZD-4522)), and related statin compounds disclosed in U.S. Pat. No. 5,753,675, pyrazole analogs of mevalonolactone derivatives disclosed in U.S. Pat. No. 4,613,610, indene analogs of mevalonolactone derivatives disclosed in PCT application WO86/03488, 6- [2- (substituted pyrrol-1-yl) -alkyl) pyran-2-one disclosed in U.S. Pat. No. 4,647,576, and derivatives thereof, SC-45355 (3-substituted glutaric acid derivative) dichloroacetate from Searle, imidazole analogs of mevalonolactone disclosed in PCT application WO86/07054, 3-carboxy-2-hydroxy-propane-phosphonic acid derivatives disclosed in french patent 2,596,393, 2, 3-disubstituted pyrrole, furan and thiophene derivatives disclosed in european patent application 0221025, naphthyl analogs of mevalonolactone disclosed in us patent 4,686,237, octahydronaphthalenes such as disclosed in us patent 4,499,289, keto analogs of mevinolin (lovastatin) disclosed in european patent application 0142146a2, and quinoline and pyridine derivatives disclosed in us patents 5,506,219 and 5,691,322. The disclosures of all of the above documents are incorporated by reference into this application. In addition, phosphinic acid compounds useful for inhibiting HMG CoA reductase, such as those disclosed in GB2205837, are suitable for use in combination with the formulations of the present invention.
AExamples of squalene synthetase inhibitors suitable for use herein include, but are not limited to, those disclosed in U.S. Pat. No. 5,712,396, α -phosphono-sulfonates, Biller et al, J.Med.chem.,1988, Vol.31, No.10, p.1869-1871, including isoprenoid (phosphinyl-methyl) phosphonates, and other known squalene synthetase inhibitors (e.g., those disclosed in U.S. Pat. Nos. 4,871,721 and 4,924,024 and Biller, S.A., Neuenschwater, K., Ponpipem, M.M. and Poulter, C.D., Current Pharmaceutical Design,2,1-40 (1996)). Other squalene synthetase inhibitors suitable for use herein include the terpene pyrophosphates disclosed in p.oriz de Montellano et al, j.med.chem.,1977,20, 243-249; farnesyl diphosphate analogue A and anterior squalene pyrophosphate (PSQ-PP) analogues disclosed in Corey and Volante, J.Am.chem.Soc.,1976,98, 1291-1293; phosphinyl phosphonates disclosed in mccard, r.w. et al, j.a.c.s.,1987,109,5544; and the cyclopropanes disclosed in Capson, t.l., doctrine, 6 months 1987, dept.med.chem.u of Utah, abstract, table of contents, pages 16,17,40-43 and 48-51 and summary. All references cited are incorporated by reference into this application.
Examples of fibric acid derivatives that may be used in combination with the formulations of the present invention include, but are not limited to, fenofibrate, gemfibrozil, clofibrate, bezafibrate, ciprofibrate, clinofibrate, and the like, probucol and related compounds disclosed in U.S. Pat. No. 3,674,836, bile acid sequestrants such as cholestyramine, colestipol, and DEAE-dextran gel and liposoluble drugs (Rhone-Poulenc), Eisai E-5050 (N-substituted ethanolamine derivatives), imatinib (HOE-402), Tetrahydrostatin (THL), istmamyl-phoylchlorine (SPC, Roche), aminocyclodextrin (Tanabe Seiyoku), Ajinomoto oJ-814 (azulene derivatives), melinamide (Sudomo), Sandoz 58-035, America Cyanamid CL-277,082 and CL-283,546 (disubstituted urea derivatives), nicotinic acid, acipimox, p-salicylic acid, p-amino acids, Aspirin, poly (diallylmethylamine) derivatives such as disclosed in us patent 4,759,923, quaternary amine poly (diallyldimethylammonium chloride) such as disclosed in us patent 4,027,009, and ionenes, among other known serum cholesterol lowering drugs. In one embodiment, the fibric acid derivative is probucol or gemfibrozil. All references cited are incorporated by reference into this application.
Examples of ACAT inhibitors that may be used in combination with the formulations of the present invention include, but are not limited to, those disclosed in the following references or TS-962(Taisho Pharmaceutical co.ltd): drugs of the Future24,9-15(1999) (Avasimibe); "The ACAT inhibitor, Cl-1011is effective in The preservation and regression of oral failure area in The Hamsters", Nicolosi et al, Atherosclerosis (Shannon, Irel) (1998),137(1), 77-85; "The pharmacological profile of FCE 27677 a novel ACAT inhibitor with a reactive catalytic media by selective deletion of The fibrous section of ApoB 100-stabilizing lipid protein", Ghiselli, Giancaro, Cardiovasc. drug Rev. (1998),16(1), 16-30; "RP 73163: a bioavailable alkyl-diphenyl imide ACAT inhibitor", Smith, C., et al, bioorg.Med.chem.Lett. (1996),6(1), 47-50; "ACAT inhibitors for lipophilic and anti-inflammatory activities in experimental animals", Krause et al, eds.: Ruffolo, Robert R., Jr., Hollinger, Mannfred A., infilamation: Mediators Pathways (1995),173-98, publishers: CRC, Boca Raton, Fla.; "ACAT inhibitory antibodies: spatial anti-inflammatory agents", Sliskovic et al, curr. Med. chem. (1994),1(3), 204-25; "Inhibitors of acyl-CoA: cholesterol O-acyl transfer enzyme (ACAT) as a hypocholesterolemic agent, the first water-soluble ACAT inhibitor with a lipid-regulating activity, Inhibitors of acyl-CoA: cholesterol acyl transfer enzyme (ACAT). Development of a series of a secreted N-phenyl-N' - [ (1-phenyl) methyl ] peptides with a modified hypocholesterolemic activity", Stokes et al, Chemicals: org. chem.1995, 8(6), 359-62. All references cited are incorporated by reference into this application.
Examples of cholesterol absorption inhibitors suitable for use in combination with the formulations of the present invention include, but are not limited to, those disclosed in SCH48461(Schering-Plough) and Atherosclerosis 115,45-63(1995) and J.Med.chem.41,973(1998), which are incorporated herein by reference.
Examples of ileal Na +/bile acid cotransporter inhibitors suitable for use in combination with the formulations of the present invention include, but are not limited to, the compounds disclosed in Drugs of the Future,24,425-430(1999), which is incorporated herein by reference.
Examples of Lipoxygenase inhibitors that may be used in combination with the formulations of the present invention include, but are not limited to, 15-Lipoxygenase (15-LO) inhibitors such as the benzimidazole derivatives disclosed in WO97/12615, the 15-LO inhibitors disclosed in WO97/12613, the isothiazolones disclosed in WO96/38144 and Sendory et al, "introduction of di-induced atherosclerosis in microorganisms with a high selectivity 15-Lipoxygenase inhibitor deletion in diagnostic reagent medicaments", Brit.J. medical science (LO) 120, 1199-. All references cited are incorporated by reference into this application.
examples of antihypertensive agents suitable for use in combination with the formulations of the present invention include, but are not limited to, beta adrenergic blockers, calcium channel blockers (L-and T-forms; e.g., diltiazem, nifedipine, amlodipine, and miberadil), diuretics (e.g., chlorothiazide, hydrochlorothiazide, flumethiazide, hydroflumethiazide, bendroflumethiazide, methylchlorothiazide, trichlorothiazide, polythiazide, benazenil, tennic acid, chlorthalidone, furosemide, mozamide, bumetanide, triamterene, amiloride, and spironolactone), renin inhibitors, ACE inhibitors (e.g., captopril, fenzopril, fosinopril, enalapril, cilazapril, delapril, pentopril, quinapril, ramipril, and lisinopril), AT-1 receptor antagonists (e.g., losartan, fosinopril, and lisinopril), Irbesartan and valsartan), ET receptor antagonists (e.g., sitaxsentan, atrasentan, and the compounds disclosed in U.S. patents 5,612,359 and 6,043,265), dual ET/AII antagonists (e.g., the compounds disclosed in WO 00/01389), Neutral Endopeptidase (NEP) inhibitors, vasopeptidase inhibitors (dual NEP-ACE inhibitors) (e.g., omatra and gemotritra), and nitrates/salts. All references cited are incorporated by reference into this application.
examples of anti-obesity agents suitable for use in combination with the formulations of the present invention include, but are not limited to, beta 3 adrenergic agonists, lipase inhibitors, 5-hydroxytryptamine (and dopamine) reuptake inhibitors, thyroid receptor beta drugs, 5HT2C agonists (such as Arena APD-356), MCHR1 antagonists such as Synaptic SNAP-7941 and Takeda T-226926, melanocortin receptor (MC4R) agonists, Melanin Concentrating Hormone Receptor (MCHR) antagonists (such as Synaptic SNAP-7941 and Takeda T-226926), galanin receptor modulators, orexin antagonists, CCK agonists, NPY1 or NPY5 antagonists, NPY2 and NPY4 modulators, corticotropin releasing factor agonists, histamine receptor-3 (H3) modulators, 11-beta-HSD-1 inhibitors, adiponectin receptor modulators, monoamine reuptake inhibitors or monoamine reuptake release agents, Ciliary neurotrophic factors (CNTF, such as Regeneron), BDNF (brain-derived neurotrophic factor), leptin and leptin receptor modulators, cannabinoid-1 receptor antagonists, such as SR-141716(Sanofi) or SLV-319(Solvay), and anorectic agents.
beta 3 adrenergic agonists that may optionally be used in combination with the formulations of the invention include, but are not limited to, AJ9677(Takeda/Dainippon), L750355(Merck), CP331648(Pfizer), or other known beta 3 agonists (see U.S. Pat. Nos. 5,541,204, 5,770,615, 5,491,134, 5,776,983, and 5,488,064, all references being incorporated herein by reference).
Examples of lipase inhibitors that can be used in combination with the formulations of the present invention include, but are not limited to orlistat and ATL-962 (Alizyme).
5-hydroxytryptamine (and dopamine) reuptake inhibitors (or 5-hydroxytryptamine receptor agonists) that may be used in conjunction with the formulations of the present invention include, but are not limited to, BVT-933(Biovitrum), sibutramine, topiramate (Johnson & Johnson), and ciliary neurotrophic factor (Regeneron).
examples of thyroid receptor beta compounds that can be used in combination with the formulations of the present invention include, but are not limited to, thyroid receptor ligands such as those disclosed in WO97/21993(U.Cal SF), WO99/00353(KaroBio), and WO00/039077(KaroBio), which are incorporated herein by reference.
Examples of monoamine reuptake inhibitors that may be used in combination with the formulations of the present invention include, but are not limited to, fenfluramine, dexfenfluramine, fluvoxamine, fluoxetine, paroxetine, sertraline, parachlorophentermine, chlorofluoroproxil, clotrimine, picloram, sibutramine, dexamphetamine, phentermine, phenylpropanolamine, and mazindol.
Anorectic drugs that may be used in conjunction with the formulations of the present invention include, but are not limited to, topiramate (Johnson & Johnson), dexamphetamine, phentermine, phenylpropanolamine, and mazindol.
the above patents and patent applications are incorporated into this application by reference.
When any of the formulations of the present invention is used in combination with other therapeutic agents, the other therapeutic agents may be used, for example, in the amounts specified in the Physician's Desk Reference, in the amounts described in the cited patents and patent applications, or in the amounts known and used by those skilled in the art
The present invention includes a bilayer tablet comprising (1) a reduced mass metformin formulation; (2) formulations containing canagliflozin (canagliflozin); and (3) optionally a coating. Accordingly, in one aspect, the present invention provides a bilayer tablet wherein (1) the first layer comprises about 72-82% metformin hydrochloride; about 3-5% sodium carboxymethylcellulose; about 15-22% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.1-0.6% magnesium stearate; (2) the second layer comprises canaglizin; and (3) optionally a coating comprising
In another aspect, the present invention provides a bilayer tablet wherein (1) the first layer comprises about 76.6% metformin hydrochloride; about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.53% magnesium stearate; (2) the second layer comprises canaglizin; and (3) optionally a coating comprising
In another aspect, the present invention provides a bilayer tablet wherein (1) the first layer comprises about 76.6% metformin hydrochloride; about 3.84% sodium carboxymethylcellulose; about 18% hydroxypropyl methylcellulose 2208; about 0.75-1.25% silica or about 0.25-0.75% colloidal silica; and about 0.53% magnesium stearate; (2) the second layer comprises canaglizin; and (3) optionally a coating comprising
Examples of compatibilizers or fillers or compressing agents suitable for use herein include, but are not limited to, cellulose derivatives such as microcrystalline cellulose or wood cellulose (including microcrystalline cellulose 302), lactose, anhydrous lactose, sucrose, starch, pregelatinized starch, dextrose, mannitol (including mannitol Pearlitol SD 200), fructose, xylitol, sorbitol, corn starch, modified corn starch, inorganic salts such as calcium carbonate, calcium phosphate, dicalcium phosphate, calcium sulfate, dextrin/dextrates, maltodextrin, compressible sugar, and other known compatibilizers or fillers and/or mixtures of two or more thereof. Several types of microcrystalline cellulose are suitable for use in the formulations described herein, such as microcrystalline cellulose selected from the group consisting of: microcrystalline cellulose such as silicified microcrystalline cellulose of the PH101 type, PH102 type, PH103 type, PH105 type, PH112 type, PH113 type, PH200 type, and PH301 type, and others. Several types of lactose are suitable for use in the formulations described herein, for example lactose selected from the group consisting of: anhydrous lactose, lactose monohydrate, fast-flowing lactose, directly compressible anhydrous lactose and modified lactose monohydrate.
Examples of binders suitable for use herein include, but are not limited to, carboxymethylcellulose (including sodium carboxymethylcellulose), hydroxypropylcellulose (including hydroxypropylcellulose EXF), corn starch, pregelatinized starch, modified corn starch, polyvinylpyrrolidone (PVP), Hydroxypropylmethylcellulose (HPMC) (including hydroxypropylmethylcellulose 2208), lactose, acacia, ethylcellulose, cellulose acetate, and wax binders such as carnauba wax, paraffin wax, spermaceti, polyethylene or microcrystalline wax and other conventional binders and/or mixtures of two or more thereof.
Examples of disintegrants suitable for use herein include, but are not limited to, croscarmellose sodium, crospovidone, starch, potato starch, pregelatinized starch, corn starch, sodium carboxymethyl starch, microcrystalline cellulose, low substituted hydroxypropyl cellulose, and other known disintegrants. Several specific types of disintegrants are suitable for use in the formulations described herein. For example, any grade of crospovidone (including, for example, crospovidone XL-10) can be used and selected from KollidonPolyplasdoneKollidonPolyplasdone and Polyplasdone in one embodiment, if present, the disintegrant in the stock granule is sodium carboxymethyl starch, croscarmellose sodium, and/or crospovidone.
examples of lubricants suitable for use herein include, but are not limited to, magnesium stearate, zinc stearate, calcium stearate, talc, carnauba wax, stearic acid, palmitic acid, sodium stearyl fumarate, sodium lauryl sulfate, glyceryl palmitostearate, palmitic acid, myristic acid, and hydrogenated vegetable oils and fats and other known lubricants and/or mixtures of two or more thereof.
Examples of glidants and/or anti-adherents suitable for use herein include, but are not limited to, silicon dioxide, colloidal silicon dioxide, magnesium silicate, magnesium trisilicate, talc, and other forms of silicon dioxide such as aggregated silicates and hydrated silica gels.
examples of suitable release modifiers include, but are not limited to, hydroxypropylmethyl cellulose, polyvinyl alcohol (PVA), ethyl cellulose, methacrylic acid (ester) polymers, hydroxypropyl cellulose, starch, gums, cellulose ethers, protein derived materials, nylons, acrylics, polylactic acid, polyvinyl chloride, polyvinyl pyrrolidone, and cellulose acetate phthalate.
in one aspect, the present invention provides a method of treating a disease or disorder associated with SGLT2 activity, the method comprising administering to a mammal (preferably a human) in need of such treatment a therapeutically effective amount of a bilayer tablet comprising a metformin XR formulation or a reduced mass metformin XR formulation, an SGLT2 inhibitor formulation and optionally a film coating. The bilayer tablets of the invention described herein may be administered to a mammal (preferably a human) to treat diabetes (including type I and type II diabetes), impaired glucose tolerance, insulin resistance and diabetic complications such as nephropathy, retinopathy, neuropathy and cataracts, hyperglycemia, hyperinsulinemia, hypercholesterolemia, dyslipidemia, elevated blood levels of free fatty acids or glycerol, hyperlipidemia, hypertriglyceridemia, obesity, wound healing, tissue ischemia, atherosclerosis and hypertension. In a preferred embodiment, the bilayer tablet of the present invention is administered to a human to treat type II diabetes.
In another aspect, the present invention provides the use of a bilayer tablet comprising a metformin XR formulation or reduced mass metformin XR formulation, an SGLT2 inhibitor formulation and optionally a film coating, in the manufacture of a medicament for the treatment of diabetes (including type I and type II diabetes), impaired glucose tolerance, insulin resistance and diabetic complications such as nephropathy, retinopathy, neuropathy and cataracts, hyperglycemia, hyperinsulinemia, hypercholesterolemia, dyslipidemia, elevated blood levels of free fatty acids or glycerol, hyperlipidemia, hypertriglyceridemia, obesity, wound healing, tissue ischemia, atherosclerosis and hypertension.
Definition of
The term "about" as used herein means a deviation within 10% of the stated numerical value, more preferably within 5% of the stated numerical value and even more preferably within 2% of the stated numerical value.
The term "dapagliflozin" as used herein denotes the compound of example 1 and pharmaceutically acceptable salts thereof.
The term "dapagliflozin (S) PGS" as used herein denotes the compound of example 2, dapagliflozin (S) propylene glycol hydrate (1:1: 1).
The term "dapagliflozin (R) PGS" as used herein denotes the compound of example 3, dapagliflozin (R) propylene glycol hydrate (1:1: 1).
the term "metformin extended release" or "metformin XR" as used herein refers to the amount of metformin hydrochloride present in a dosage form that allows for oral controlled release delivery, said amount acting as follows: the loaded drug (metformin hydrochloride) is released over an extended period of time after administration while maintaining the desired drug plasma levels.
The term as used herein refers to a film coating of tablets, including bilayer tablets, comprising polyvinyl alcohol, titanium dioxide, polyethylene glycol (PEG) and talc. White 85F18422 was composed of polyvinyl alcohol, titanium dioxide, polyethylene glycol, and talc. Yellow 85F92582 was composed of polyvinyl alcohol, titanium dioxide, polyethylene glycol, talc, and yellow iron dioxide.
The term as used herein refers to a film coating of a tablet comprising 40% polyvinyl alcohol, 20% polyethylene glycol, 15% talc and 25% titanium dioxide.
Human research
In a phase III clinical study at 24 weeks old, the combination of metformin and the SGLT2 inhibitor dapagliflozin reduced glycosylated hemoglobin levels (HbA1c) and Fasting Plasma Glucose (FPG) levels in type II diabetic patients. Metformin alone does not control glycosylated hemoglobin and fasting plasma glucose levels properly compared to placebo + metformin. The study also showed that individuals receiving dapagliflozin had a statistically greater average weight loss compared to individuals receiving placebo.
The study was designed to evaluate the effectiveness and safety of the combination of dapagliflozin and metformin over a 24 week period in patients with inadequate control of type II diabetes. The data represent results from a randomized, double-blind, placebo-controlled study of 546 individuals with type II diabetes who had HbA1c greater than or equal to 7.0% and less than or equal to 10% at baseline. After a two-week introduction period, individuals were randomized into one of four different treatment groups: 2.5mg dapagliflozin (n 137), 5mg dapagliflozin (n 137), 10mg dapagliflozin (n 135), or placebo (n 137). Patients in all groups also received metformin (greater than or equal to 1500 mg/d). The primary endpoint of the study was a comparison of the mean change in HbA1c from baseline in each dapagliflozin treated group to the placebo group after 24 weeks. Secondary endpoints included comparison of changes in FPG and body weight from baseline at week 24 with placebo and correction of the percentage of individuals treated with dapagliflozin and achieving HbA1c of less than 7% at week 24. The endpoint was probed for weight loss of greater than or equal to 5% or greater than or equal to 10% and percent change in weight from baseline.
After 24 weeks, individuals receiving 2.5mg, 5mg, and 10mg of dapagliflozin + metformin exhibited statistically significant corrected mean percent changes in HbA1c from baseline of-0.67%, -0.70%, and-0.84%, respectively, versus-0.30% in the placebo group. Individuals treated with dapagliflozin showed a statistically significant corrected mean change in FPG, the secondary endpoint, from baseline at week 24: 17.8mg/dL in the 2.5mg dapagliflozin group, -21.5mg/dL in the 5mg dapagliflozin group, and-23.5 mg/dL in the 10mg dapagliflozin group, and-6.0 mg/dL in the placebo group.
The study also evaluated the potential effect of dapagliflozin on weight loss. These results included data measured for changes in overall body weight over a 24-week study period. At week 24, the overall weight change in kg, the secondary endpoint, was-2.21 kg in the 2.5mg dapagliflozin group, -3.04kg in the 5mg dapagliflozin group, and-2.86 kg in the 10mg dapagliflozin group, and-0.89 kg in the placebo group. Overall, more patients receiving dapagliflozin achieved a weight loss greater than or equal to 5% (probed endpoint) compared to placebo.
These results indicate that SGLT2 inhibitors, in particular dapagliflozin or dapagliflozin (S) propylene glycol hydrate in combination with metformin, are effective in treating hyperglycemia in type II diabetic patients without causing weight gain.
Example 1
dapagliflozin, namely (2S,3R,4R,5S,6R) -2- (4-chloro-3- (4-ethoxybenzyl) phenyl) -6- (hydroxymethyl) tetrahydro-2H-pyran-3, 4, 5-triol
dapagliflozin can be prepared using a method similar to that described in U.S. Pat. No. 6,515,117 or published International applications WO03/099836 and WO2008/116179, the disclosures of which are incorporated by reference into this application for any purpose. SGLT2EC50 is 1.1 nM.
Example 2
Dapagliflozin (S) PGS (2S,3R,4R,5S,6R) -2- (4-chloro-3- (4-ethoxybenzyl) phenyl) -6- (hydroxymethyl) tetrahydro-2H-pyran-3, 4, 5-triol (S) -propane-1, 2-diol hydrate (1:1:1)
Dapagliflozin (S) propylene glycol hydrate (1:1:1) can be prepared using methods similar to those described in published applications WO08/002824 and WO2008/116179, the disclosures of which are incorporated by reference into this application for any purpose. SGLT2EC50 is 1.1 nM.
Example 3
Dapagliflozin (R) PGS (2S,3R,4R,5S,6R) -2- (4-chloro-3- (4-ethoxybenzyl) phenyl) -6- (hydroxymethyl) tetrahydro-2H-pyran-3, 4, 5-triol (R) -propane-1, 2-diol hydrate (1:1:1)
Dapagliflozin (R) propylene glycol hydrate (1:1:1) can be prepared using a method similar to that described in WO08/002824 and WO2008/116179, the disclosure of which is incorporated by reference into this application for any purpose. SGLT2EC50 is 1.1 nM.
Example 4
Bilayer tablets containing metformin (1000mg) extended release formulation and dapagliflozin (S) PGS (5.00mg) immediate release formulation were prepared as follows.
Second layer
Film coating
(2.5% weight gain) 43.75
Total film coated tablet 1793.75
metformin granulate (1000mg)
metformin hydrochloride, 0.5% magnesium stearate and sodium carboxymethyl cellulose were combined and mixed in a high shear granulator for one minute. Purified water was added using a nozzle while stirring for one minute. The wet granulated material was passed through a mill and then dried until the moisture content was 1.0% or less. The dry mass containing metformin hydrochloride, 0.5% magnesium stearate and sodium carboxymethylcellulose was passed through a mill and discharged into a polyethylene-lined cylinder to give 1g of milled metformin agglomerated granules.
Hydroxypropyl methylcellulose 2208USP (100,000 centipoise) (Methocel K100M Premium) was added to the box blender and mixed for 60 revolutions. The material was passed through a mill and discharged to give milled hydroxypropyl methylcellulose 2208 USP.
Metformin (ground 1g agglomerated particles), hydroxypropyl methylcellulose 2208USP (ground), hydroxypropyl methylcellulose 2208USP (unground), and magnesium stearate were added to the box blender and mixed for 60 revolutions. The mixed material was discharged into a polyethylene lined cartridge to give an extended release metformin 1g pellet.
Dapagliflozin pellet (2.5, 5.0 or 10.0mg)
Dapagliflozin (S) PGS is blended with microcrystalline cellulose, anhydrous lactose, a portion of crospovidone, and a portion of silicon dioxide in a suitable tumbler mixer and passed through a suitable conical mill. A portion of the magnesium stearate (sieved) is blended into the mixture and then compressed using a suitable roller compactor. The compressed mixture is reduced to form granules. The granules were blended with the remaining amounts of crospovidone and silica in a suitable tumbler mixer. The granules were then blended with the remaining amount of magnesium stearate in a suitable tumbler mixer.
double layer pressing
The metformin XR formulation or reduced mass metformin XR formulation is placed in a first addition funnel and the SGLT2 inhibitor formulation, which is dapagliflozin (S) PGS granules (2.5mg, 5mg or 10mg in intensity), is placed in a second addition funnel in a bi-layer tablet press. The tablet press was set to obtain the target weight of the first layer (metformin XR or reduced mass metformin XR). The second addition funnel was opened and the tablet press was adjusted to obtain the target tablet weight for dapagliflozin and metformin XR or dapagliflozin and reduced mass metformin XR bilayer tablets. After the target weight is obtained, the tablet press is adjusted to obtain the target hardness. Once the hardness is obtained, the tablets prepared are periodically monitored for weight of the first layer and weight, hardness, gauge and friability of the entire tablet. The collected bilayer tablets were film coated with PVA (polyvinyl alcohol).
Example 5
Bilayer tablets containing metformin (1000mg) extended release formulation and dapagliflozin (S) PGS (2.5mg) immediate release formulation were prepared in a similar manner to that described in example 4.
Second layer
Example 6
Bilayer tablets containing metformin (1000mg) extended release formulation and dapagliflozin (S) PGS (10.00mg) immediate release formulation were prepared in a similar manner to that described in example 4.
Second layer
Example 7
Bilayer tablets containing reduced mass metformin (1000mg) extended release formulation and dapagliflozin (S) PGS (5.00mg) immediate release formulation were prepared as follows.
Second layer
film coating
(2.5% weight gain) 40.13
Total film coated tablet 1645.13
(a) means an amount sufficient to bring the granulated composition to 100% w/w;
(b) the range is 15% -27%;
(c) The range is 0.75% -1.25%.
Metformin hydrochloride, 0.5% magnesium stearate and sodium carboxymethyl cellulose were combined and mixed in a high shear granulator for one minute. Purified water was added using a nozzle while stirring for one minute. The wet granulated material was passed through a mill and then dried until the moisture content was 1.0% or less. The dry mass containing metformin hydrochloride, 0.5% magnesium stearate and sodium carboxymethylcellulose was passed through a mill and discharged into a polyethylene-lined cylinder to give 1g of milled metformin agglomerated granules.
Metformin (ground 1g of agglomerated particles), hydroxypropyl methylcellulose 2208USP (100,000 centipoise) (Methocel K100M Premium) and silica were added to a box blender and mixed for 120 revolutions. Magnesium stearate was added and after 60 revolutions the material was discharged into a polyethylene lined cylinder to give a reduced mass of metformin extended release 1g agglomerated granules.
The dapagliflozin (S) PGS granulation and double layer compression operations were performed as described in example 4.
Example 8
Bilayer tablets containing reduced mass metformin (1000mg) extended release formulation and dapagliflozin (S) PGS (2.5mg) immediate release formulation were prepared in a similar manner to that described in example 7.
second layer
Example 9
Bilayer tablets containing reduced mass metformin (1000mg) extended release formulation and dapagliflozin (S) PGS (10.00mg) immediate release formulation were prepared in a similar manner to that described in example 7.
Second layer
Other SGLT2 inhibitor IR formulations described in table 2 can be used to prepare bilayer tablets of the present invention. The formulations in table 2 are compatible with the metformin XR formulations described herein or reduced mass metformin XR formulations. The bilayer tablets prepared from the SGLT2 inhibitor IR formulation in table 2 reduced or eliminated cracking, separation and/or cross-contamination with the metformin XR layer and with the reduced mass metformin XR layer.
TABLE 2
％w/w ％w/w ％w/w ％w/w ％w/w
Dapagliflozin (S) PGS 1.66 1.66 1.66 1.66 1.66
microcrystalline cellulose 302 59.83 63.83 56.83 65.83 60.83
Anhydrous lactose 16.00 16.00 16.00 16.00 16.00
Pregelatinized starch 16.00 13.00 19.00 - -
Hydroxypropyl cellulose EXF - - - 10.00 -
Mannitol - - - - 15.00
crospovidone 4.00 4.00 4.00 4.00 4.00
Silicon dioxide 1.50 1.50 1.50 1.50 1.50
Magnesium stearate 1.00 1.00 1.00 1.00 1.00
example 10
bilayer tablets containing metformin (500mg) extended release formulation and dapagliflozin (S) PGS (5.00mg) immediate release formulation were prepared in a similar manner to that described in example 13, except that no silicon dioxide was added to the metformin layer.
1 purified water is used only for processing and is removed by drying;
2 is in the range of 0.5% to 1.5%.
Example 11
Bilayer tablets containing metformin (500mg) extended release formulation and dapagliflozin (S) PGS (10.0mg) immediate release formulation were prepared in a similar manner to that described in example 13, except that no silicon dioxide was added to the metformin layer.
1 purified water is used only for processing and is removed by drying;
2 is in the range of 0.5% to 1.5%.
Example 12
Bilayer tablets containing metformin (500mg) extended release formulation and dapagliflozin (S) PGS (2.50mg) immediate release formulation were prepared in a similar manner to that described in example 13, except that no silicon dioxide was added to the metformin layer.
1 purified water is used only for processing and is removed by drying;
2 is in the range of 0.5% to 1.5%.
Example 13
Bilayer tablets containing metformin (500mg) extended release formulation and dapagliflozin (S) PGS (5.0mg) immediate release formulation were prepared as follows.
1 purified water is used only for processing and is removed by drying;
2 is in the range of 0.5% to 1.5%.
metformin hydrochloride, 0.5% magnesium stearate and sodium carboxymethyl cellulose were combined and mixed in a high shear granulator for one minute. Purified water was added using a nozzle while stirring for one minute. The wet granulated material was passed through a mill and then dried until the moisture content was 1.0% or less. The dry mass containing metformin hydrochloride, 0.5% magnesium stearate and sodium carboxymethylcellulose was passed through a mill and discharged into a polyethylene-lined cylinder to give 500mg of milled metformin agglomerated granules.
The milled metformin 500mg agglomerated particles, hydroxypropyl methylcellulose 2208, hydroxypropyl methylcellulose 2910, microcrystalline cellulose and silicon dioxide were added to a box blender and mixed for 240 revolutions. Magnesium stearate was added and after 60 revolutions the material was discharged into a polyethylene lined cylinder to give metformin extended release 500mg agglomerated granules.
The dapagliflozin (S) PGS granulation and double layer compression operations were performed as described in example 4.
Example 14
Bilayer tablets containing metformin (500mg) extended release formulation and dapagliflozin (S) PGS (10.0mg) immediate release formulation were prepared in a similar manner to that described in example 13.
1 purified water is used only for processing and is removed by drying;
2 is in the range of 0.5% to 1.5%.
Example 15
bilayer tablets containing metformin (500mg) extended release formulation and dapagliflozin (S) PGS (2.50mg) immediate release formulation were prepared in a similar manner to that described in example 13.
1 purified water is used only for processing and is removed by drying;
2 is in the range of 0.5% to 1.5%.

Claims (4)

1. A coated bilayer tablet comprising: (1) a bilayer tablet core comprising two layers, wherein the first layer comprises a metformin hydrochloride extended release formulation; and the second layer comprises a sodium-dependent glucose transporter (SGLT2) inhibitor selected from dapagliflozin or dapagliflozin (S) propylene glycol hydrate; wherein the second layer is 300 to 400 mg; (2) a first coating layer coating the bilayer tablet core and optionally comprising saxagliptin; (3) a second coating layer coating the first coating layer and optionally comprising saxagliptin; and (4) optionally a third coating layer, said third coating layer coating said second coating layer; wherein at least one of the first coating layer and the second coating layer comprises saxagliptin;
Wherein the weight ratio between the first and second layers is 4.4: 1;
wherein (1) the first layer comprises 64-82% metformin hydrochloride, 3-5% sodium carboxymethylcellulose, based on the total weight of the first layer; 15-30% hydroxypropyl methylcellulose; 0.1-0.75% magnesium stearate; and 0-2% silica or 0-1.5% colloidal silica; wherein the sum of the percentages of the components is 100%; (2) (ii) said second layer comprises 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate, based on the total weight of the second layer; 14-18% anhydrous lactose; 50-80% microcrystalline cellulose; 0-20% of pregelatinized starch; 0-20% mannitol; 0-15% hydroxypropyl cellulose; 2-6% of crospovidone; 0.5-2.5% silica; and 0.5-2% magnesium stearate; wherein the sum of the percentages of the components is 100%.
2. The coated bilayer tablet according to claim 1 wherein (1) the first layer comprises 64-82% metformin hydrochloride; 3-5% sodium carboxymethylcellulose; 15-30% hydroxypropyl methylcellulose; 0.1-0.75% magnesium stearate; and 0-2% silica or 0-1.5% colloidal silica, said percentages being based on the total weight of the first layer, wherein the percentages of the components sum to 100%; and the second layer comprises 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; 14-18% anhydrous lactose; 50-80% microcrystalline cellulose; 0-20% of pregelatinized starch; 0-20% mannitol; 0-15% hydroxypropyl cellulose; 2-6% of crospovidone; 0.5-2.5% silica; and 0.5-2% magnesium stearate, said percentages being based on the total weight of the second layer, wherein the percentages of the components sum to 100%; (2) the first coating layer comprises a polyvinyl alcohol-based polymer; (3) the second coating layer comprises saxagliptin and a polyvinyl alcohol-based polymer; and (4) the third coating layer comprises a polyvinyl alcohol-based polymer.
3. The coated bilayer tablet according to claim 1 wherein (1) the first layer comprises 67-71% metformin hydrochloride; 3-5% sodium carboxymethylcellulose; 25-29% hydroxypropyl methylcellulose; and 0.1-0.75% magnesium stearate, said percentages based on the total weight of the first layer, wherein the percentages of the components sum to 100%; and the second layer comprises:
(A) 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; 14-18% anhydrous lactose; 72-80% microcrystalline cellulose; 2-6% of crospovidone; 0.5-2.5% silica; and 0.5-1.5% magnesium stearate, said percentages being based on the total weight of the second layer, wherein the percentages of the components sum to 100%;
(B) 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; 14-18% anhydrous lactose; 50-70% microcrystalline cellulose; 10-22% of pregelatinized starch; 2-6% of crospovidone; 0.5-2.5% silica; and 0.5-1.5% magnesium stearate, said percentages being based on the total weight of the second layer, wherein the percentages of the components sum to 100%;
(C) 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; 14-18% anhydrous lactose; 60-70% microcrystalline cellulose; 5-15% hydroxypropyl cellulose; 2-6% of crospovidone; 0.5-2.5% silica; and 0.5-1.5% magnesium stearate, said percentages being based on the total weight of the second layer, wherein the percentages of the components sum to 100%; or
(D) 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; 14-18% anhydrous lactose; 55-65% of microcrystalline cellulose; 10-20% mannitol; 2-6% of crospovidone; 0.5-2.5% silica; and 0.5-1.5% magnesium stearate, said percentages being based on the total weight of the second layer, wherein the percentages of the components sum to 100%;
(2) The first coating layer comprises polyvinyl alcohol, polyethylene glycol, talc and titanium dioxide; (3) the second coating layer comprises saxagliptin, polyvinyl alcohol, polyethylene glycol, talc and titanium dioxide; and (4) the third coating layer comprises polyvinyl alcohol, polyethylene glycol, talc and titanium dioxide.
4. The coated bilayer tablet according to claim 1 wherein (1) the first layer comprises 72-82% metformin hydrochloride; 3-5% sodium carboxymethylcellulose; 15-22% hydroxypropyl methylcellulose; 0.75-1.25% silica or 0.25-0.75% colloidal silica; and 0.1-0.6% magnesium stearate, said percentages based on the total weight of said first layer, wherein the percentages of said components sum to 100%; the second layer comprises:
(A) 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; 14-18% anhydrous lactose; 72-80% microcrystalline cellulose; 2-6% of crospovidone; 0.5-2.5% silica; and 0.5-1.5% magnesium stearate, said percentages being based on the total weight of the second layer, wherein the percentages of the components sum to 100%;
(B) 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; 14-18% anhydrous lactose; 50-70% microcrystalline cellulose; 10-22% of pregelatinized starch; 2-6.00% of crospovidone; 0.5-2.5% silica; and 0.5-1.5% magnesium stearate, said percentages being based on the total weight of the second layer, wherein the percentages of the components sum to 100%;
(C) 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; 14-18% anhydrous lactose; 60-70% microcrystalline cellulose; 5-15% hydroxypropyl cellulose; 2-6% of crospovidone; 0.5-2.5% silica; and 0.5-1.5% magnesium stearate, said percentages being based on the total weight of the second layer, wherein the percentages of the components sum to 100%; or
(D) 0.5-4% dapagliflozin or dapagliflozin (S) propylene glycol hydrate; 14-18% anhydrous lactose; 55-65% of microcrystalline cellulose; 10-20% mannitol; 2-6% of crospovidone; 0.5-2.5% silica; and 0.5-1.5% magnesium stearate, said percentages being based on the total weight of the second layer, wherein the percentages of the components sum to 100%;
(2) The first coating layer comprises polyvinyl alcohol, polyethylene glycol, talc and titanium dioxide; (3) the second coating layer comprises saxagliptin, polyvinyl alcohol, polyethylene glycol, talc and titanium dioxide; and (4) the third coating layer comprises polyvinyl alcohol, polyethylene glycol, talc and titanium dioxide.
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